Jack conducted an experiment with two 15-gallon tanks labeled "A" and "B". He put 10 small goldfish in both tanks and measured the pH, which was initially 6.9. The next morning (Day I), he measured the pH again and found that both tanks had a pH of 6.7.
From Day 1 onwards, Jack added 2 small goldfish to "Tank B" every morning, while keeping "Tank A" the same day to day. This continued for 12 days, at the end of which "Tank B" contained 32 fish but died off. Based on Jack's results, it can be inferred that the addition of more goldfish to "Tank B" resulted in a decrease in pH levels, ultimately leading to the death of the fish. However, more information is needed to fully understand the cause of death (e.g. lack of oxygen, overcrowding, etc.).
To graph the data on the attached table, plot the number of fish in "Tank B" on the y-axis and the days (1-12) on the x-axis. The resulting graph should show a steady increase in the number of fish in "Tank B" until Day 12, at which point there is a sudden drop to zero.
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What are some reasons why groundwater resources are unevenly distributed on Earth?
Select all that apply.
The geology of some locations lets water pass through easily, reaching as far as Earth’s magma.The geology of some locations lets water pass through easily, reaching as far as Earth’s magma.
Some climates get rain, but not snow. Snow is needed for groundwater to collect.Some climates get rain, but not snow. Snow is needed for groundwater to collect.
The geology of some locations is more favorable for trapping water underground.The geology of some locations is more favorable for trapping water underground.
In some places, rain runs off quickly before it can flow underground.
FOR BRAINLIEST ALSO I THINK THS ONE CLD BE MORE THAN 1 ANSWER
Answer:
The following are some reasons why groundwater resources are unevenly distributed on Earth:
* The geology of some locations lets water pass through easily, reaching as far as Earth's magma. This is because the Earth's crust comprises different types of rocks, some more porous than others. Porous rocks have small spaces between the rock grains, allowing water to flow through them. The more porous the rock, the more water it can hold.
* Some climates get rain but not snow. Snow is needed for groundwater to collect. This is because the snowpack acts as a natural reservoir for water. When the snow melts, the water slowly seeps into the ground, where it can be stored as groundwater. In climates with little or no snow, groundwater resources are often limited.
* The geology of some locations is more favorable for trapping water underground. This is because some rocks are better at trapping water than others. For example, limestone is a rock that is very good at trapping water. When water flows through limestone, it can become trapped in small cracks and pores in the rock. Drilling wells can then access this water.
* In some places, rain runs off quickly before it can flow underground. This is because the land in these areas is not very porous. So when in these areas tends to run off the surface and into streams and rivers. This means less water is available to seep into the ground and become groundwater.
In addition to these factors, human activities can also affect the distribution of groundwater. For example, when building cities and roads, we often cover the ground with impermeable materials, such as concrete and asphalt. This prevents water from seeping into the ground, which can reduce the amount of groundwater available. We can also affect the distribution of groundwater by pumping water out of the ground for irrigation or other purposes. This can lower the water table, which is the level at which groundwater is found. When the water table is lowered, accessing groundwater can be more challenging.
CAFOs are characterized by all of the following EXCEPT:
Question 42 options:
Feeding animals calorie-rich and nutrient-rich diets to maximize growth
Rotation of different livestock species through an area
Raising animals indoors instead of outside
Animals kept at densities higher than would be found in nature
Rotation of different livestock species(animals) through an area.
According to the US EPA, CAFOs are livestock facilities in which the animals are housed in confined spaces for at least 45 days out of every year and where there is no grass or even other vegetation growing there during the usual growing season.
Animals at CAFOs are imprisoned for at least 45 days or over annually in a space devoid of greenery. Open feedlots and large, windowless structures where cattle is housed in boxes or stalls are also examples of CAFOs. A CAFO is often referred to as a "mega farm," "animal factory," "hog hotel," "poop factory," and "industrial farm." Because to efficient animal feeding and housing, as well as larger facilities, CAFOs may offer a low-cost supply of meat, milk, & eggs when managed, identified, and well watched.
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Why are concentrated animal feeding operations typically more economically competitive than alternative ways of raising animals for meat?
Question 32 options:
The true cost, including environmental harm, is not factored in
CAFOs are large operations that cost more to run than alternative approaches
CAFOs typically require fewer pesticides and antibiotics to be used
There is no consumer interest in sustainably-grown animal products
Option D. The value of concentrated animal feeding operations is as follows: animal feeding operations are effective, reasonably priced facilities that help keep consumer costs down.
While though CAFOs can have a variety of negative effects on the environment and animal welfare, they are usually recognised for their high productivity and relatively low production costs, which can assist to keep food prices for customers within reach. It is crucial to remember that the economic reductions could come at the expense of other aspects, such as hazards to the public's health, environmental degradation, or ethical considerations.
Contamination may lead to the buildup of nitrate and other nutrients in surface water. In the vicinity of CAFOs, ammonia is regularly found in the surface waters. Ammonia decreases water oxygen levels, which can kill aquatic life.
A CAFO, or concentrated animal feeding operation, is a term used to describe a large-scale cattle enterprise. Even the smallest CAFO produces enough waste in the form of urine and faeces to equal 16,000 human beings.
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how old is the earth
All of the following represent challenges associated with using seawater as a source of freshwater EXCEPT:
Question 3 options:
waiting for the water cycle to create freshwater from saltwater takes too long
desalination is an expensive process
saltwater intrusion pollutes aquifers
only coastal areas will have this as an economically sustainable option
It takes too long is for water cycle that convert saltwater into freshwater.
Water evaporates and condenses as steam in the atmosphere and droplets of water on the surface of the lid. The drops then fall to the handle, which is the lowest position, where they drip directly into the glass. This will most likely take twenty minutes or longer. Oceanic salt water is transformed into heat and evaporates into the atmosphere as a significant component of the water cycle. The salt doesn't evaporate with the water; it stays in the ocean. In the form of snow and rain, the water condenses into clouds & returns to the ground. Freshwater is returned to the ground through precipitation.
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Activity log - Low Impact Standing Drill
Record your time and activity below and in your unit fitness log. If a particular category does not apply, leave it blank.
Date:
Warm-up:
Cool-down:
Type of Activity: (Cardiovascular, Muscular, or Flexibility)
Description of Activity and Time:
Intensity Level: (Moderate or Vigorous)
Total Time:
Describe structure of schizocelous?
Answer: A method by which some animal embryos develop is called schizocoely (adjective forms: schizocoelous or schizocoelic). When secondary bodily cavities (coeloms) are created by breaking a solid mass of mesodermal embryonic tissue, the schizocoely process takes place.
Answer:
Schizocoelom: It is present in the protostomes. The body cavity or coelom originates from the splitting of the mesoderm. One part attaches to ectoderm and the other surrounds the endoderm. The space between them develops into the coelom. The blastopore forms the mouth. Examples of schizocoelous animals are Annelida, Arthropoda and Mollusca. In Arthropoda and Mollusca the coelom is filled by blood and is known as Haemocoel.
Mr. A is a surgery patient who has a very high body mass index. During your assessment, you should:
A. Assess skin folds for any problems, especially incontinence associated dermatitis, pressure areas due to tubes/devices/chairs, and other issues.
B. Assess albumin/pre-albumin levels and nutritional intake
C. Obtain assistance when moving the patient
D. A and C
E. All of the above
Question 9 of 10
The Braden Scale assesses 4 factors that are summed to provide an overall risk assessment score.
True
False
Question 10 of 10
Mrs. C was admitted to your hospital for the treatment of an injury sustained from a fall at her home. Upon admission, you conduct a pressure injury risk assessment. The results of the formal, validated tool you used for assessment indicate that Mrs. C is at moderate risk for the development of a pressure injury During your assessment, you find that the patient’s diastolic blood pressure less than 60. This finding, as well as awareness of additional risk factors beyond those included on the risk tool, lead you to believe that the patient is at high risk for pressure injury development. How should you proceed?
A. Document the tool score but ignore your nursing judgment
B. Document the tool score and your additional findings
C. Implement interventions solely based on the tool score
D. Implement interventions that address the risks you have identified
E. A and C
F. B and D
As a nurse, it is important to use formal risk assessment tools to identify patients who are at risk for developing pressure injuries.
However, these tools should not be used in isolation, and clinical judgment is also essential. In the scenario presented, Mrs. C is at moderate risk for pressure injury development based on the formal, validated tool used for assessment.
However, the nurse also identified additional risk factors, such as low diastolic blood pressure, which suggest that the patient is at high risk for pressure injury development.
The nurse should document both the tool score and their additional findings in the patient's medical record. It is important to use clinical judgment to tailor interventions to the individual patient's needs.
In this case, the nurse should implement interventions that address the risks identified, such as repositioning the patient every two hours, ensuring adequate nutrition and hydration, and using pressure-relieving devices.
Implementing interventions solely based on the tool score or ignoring nursing judgment can put the patient at risk for harm. Therefore, it is crucial to use a combination of risk assessment tools and clinical judgment to ensure the safety and well-being of the patient.
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Answer the following questions
3. Name the three plants whose seeds are dispersed through explosion of fruits
Answer:
The three plants whose seeds are dispersed through explosion of fruits are:
1. Impatiens (also known as touch-me-nots): When the seed pods of these plants mature, they become taut and explode when touched or disturbed, flinging the seeds several feet away.
2. Violet (Viola): The seed pods of violets are known as capsules, and they explode when they are ripe, scattering the seeds in all directions.
3. Hura crepitans (also known as the Sandbox Tree or Dynamite Tree): This tropical tree produces large, spiny seed pods that explode with a loud bang when they dry out and split open, scattering the seeds as far as 100 feet away. The explosion is so powerful that it has been known to injure people standing too close to the tree.
Hope This Helps!
the answer is peas, lupins, violas
i need help pleasee
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According to the research, the correct order of the stages in carbon cycle to complete the process is:
fuel combustioncarbon dioxide captureplant respirationanimal respirationorganic carbondecay organismsDead organisms and waste productsFossils and fossil fuelsEnergyWhat are the stages in carbon cycle?They are the different stages of the carbon recycling process that is essential for the existence of all living beings and is made up of a series of steps that circulate carbon through the biosphere.
In this sense, this biogeochemical circuit involves the processes of fermentation and decomposition releasing gases into the atmosphere such as carbon dioxide that is absorbed by plants and released along with water vapor during animal respiration.
Therefore, we can conclude that according to the research, carbon is an element that is constantly recycled on our planet allowing the sustainability of life.
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If you could explore any feature of the ocean floor, what would it be and why?
Deep sea trench exploration would be a fascinating and possibly ground-breaking project that could result in a wealth of new learning about the ocean and the planet as a whole.
Why should we investigate the ocean's bottom?We can fill in the gaps in our knowledge of planetary-scale processes, such as tectonics and marine hazards, energy, mineral, and biological resources, as well as other large-scale Earth systems, by exploring and mapping the oceans. We can manage and utilise ocean resources more sustainably if we have better deep sea knowledge.
What would be your first sight on the ocean floor?The continental shelf is the first part of the ocean floor you would come upon. The gently sloping submerged area that extends from the beach is known as the continental shelf. Along some beaches, the shelf is essentially nonexistent.
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jpopwgtxfp meet compare the following using symbols greater than and smaller than than and = a) 4/7 and 3/8
The expression of the fractions, 4/7 and 3/8 in terms of greater than and smaller than is 4/7 > 3/8.
Why is one fraction greater than the other?To compare 4/7 and 3/8 using symbols greater than, smaller than, or equal to, we need to convert the fractions to a common denominator.
The smallest common multiple of 7 and 8 is 56, so convert the fractions as follows:
4/7 = (4/7) x (8/8) = 32/56
3/8 = (3/8) x (7/7) = 21/56
Now compare the two fractions:
32/56 > 21/56
Therefore, 4/7 is greater than 3/8.
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14. Cattle have been kept by humans for many years. Which of these characteristics in
cattle is most likely to have occurred because ranchers have used selective breeding?
Selective breeding is the practise of selecting particular animal characteristics consciously in order to pass them on to succeeding generations.
Which of these in cattle traits is most likely the result of ranchers' use of selective breeding?Humans have been selectively breeding cattle for many years to enhance their traits for particular uses, like the production of milk or meat. Cattle's size and weight are among the traits that are most likely to have resulted from selective breeding. Modern breeds of cattle are significantly larger than their wild ancestors as a result of ranchers' selective breeding for larger size and weight over time. This is because larger cattle can produce more milk or meat, which is advantageous for farmers from an economic standpoint. Other traits that cattle may have undergone selective breeding include temperament, disease resistance, and the quality of their milk or meat.
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If all night time predators of crickets went extinct, which cricket type would be most popular? Explain.
The cricket species with the best traits for survival and reproduction would emerge as the dominant species if all nighttime cricket predators went extinct.
Which cricket type would be most common if all nighttime cricket predators vanished? ExplainThe cricket type that can reproduce the quickest and produce the most offspring would likely become the dominant one, assuming that there is no longer any threat from predators. This might be caused by characteristics like size, fecundity, or the capacity to protect resources. However, it's also possible that in the absence of predators, other factors—like the capacity to adapt to shifting environmental conditions or the capacity to effectively use available resources—might start to take on greater significance.The most common cricket type would ultimately be influenced by a variety of different factors, including complex interactions between genetic, ecological, and environmental factors.
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Please help with this biology question! Photo is added of the problem.
Transcription and translation are two processes involved in protein synthesis. Amino acid sequence: Met-Trp-Asn-Arg-Cys-Stop
What are transcription and translation?
Transcription and translation are two processes involved in protein synthesis.
Transcription occurs first in the nucleus. During this event, mRNA is synthesized by copying a segment of the DNA molecule. The template DNA strand is used to pair its nucleotides and grow the new mRNA strand.Translation occurs in the cytoplasm. During this event, the protein is grown by reading the mRNA codon sequence. tRNA, associated with rRNA, recognizes the codons and adds the correct amino acid to the new growing polypeptide.DNA ⇒ TAC ACC TTG GCG ACG ACT
mRNA ⇒ AUG UGG AAC CGC UGC UGA
protein ⇒ Met Trp Asn Arg Cys Stop
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Ecosystems collectively make up
A. altitudes.
B. species.
C. climates.
D. biomes.
Answer:
D. biomes.
Ecosystems are communities of living organisms and their physical and chemical environment within a particular biome, a large-scale ecosystem characterized by climate, geology, and vegetation. Therefore, ecosystems collectively comprise biomes, not altitudes, species, or climates.
Answer: D, biomes
Explanation:
BIOLOGY QUESTION (ASSIGNMENT)
Circular chromosomes attached to the cell membrane would be found in C, Bacteria.
Why are chromosomes circular in bacteria?Chromosomes in bacteria are circular because they lack the linear chromosomes found in eukaryotes. This circular chromosome is referred to as a bacterial chromosome or nucleoid and it contains all of the genetic information necessary for the bacterium's survival and reproduction.
The circular shape of the chromosome allows for efficient packing within the small size of the bacterial cell, and it also facilitates replication and separation during cell division. The bacterial chromosome's circular concept was initially based on experiments involving conjugation mapping and autoradiographic imaging of DNA.
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Image transcribed:
Question 1 (1 point)
Saved
Circular chromosomes attached to the cell membrane would be found in...?
Plants
Animals
Bacteria
All of the organisms listed
Is there any difference in the structure of the two cells?
Yes
The plant cell has a cell wall. The animal cell does not.
In some developing nations, freshwater is plentiful but segments of the population lack access to the technology or infrastructure needed to access it. This is an example of:
Question 5 options:
economic water scarcity
physical water scarcity
inadequate sanitation
freshwater debt
Several developing nations have an abundance of freshwater, but other populations have the infrastructure and technology to exploit it. This serves as one example of "Economic Water Scarcity."
Correct option is, A.
Why is drinking water considered a limited resource?Despite being essential for life, fresh water is a scarce resource. Freshwater covers only 3% of a earth's surface. Despite being vital to both the environment and human societies, fresh water is at risk due to a number of issues, including urban sprawl, polluted runoff, or global warming.
What kind of water are physically good?Color, taste, odour, temperature, turbidity, particles, and electrical conductivity are some examples of the physical properties. Nevertheless, chemical parameters can also include dissolved oxygen, biological oxygen demand, pH, acidity, alkalinity, chloride, hardness, and other factors.
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PLEASE HELP 20 POINTS !!
Answer:
abbreviated some bc i don't feel like typing all that
Explanation:
carb - starches and sugars
lipid- antibodies to defend cell DNA and RNA
protein can be utilized for energy if sugar is not available
nucleic acid - glucose sucrose
thank you im not sure tho i took this in like 6th grade so my bad
5. Which of the following statements are true? Choose all that apply.
A. All the fossils are over 175 million years old.
B. The fault is over 175 million years old.
C. All the fossils are less than 200 million years old.
D. The sandstone is over 200 million years old. E. The sandstone is 201 million years old.
C. All the fossils are less than 200 million years old.
D. The sandstone is over 200 million years old.
Summarize what the differences in cytochrome C sequencing tells us about our evolutionary ancestry. How many amino acid differences between a rat and a fruit fly? Human and a yeast cell?
Answer:
Cytochrome C is a protein found in the mitochondria of all eukaryotic cells that plays a vital role in the process of cellular respiration. By comparing the amino acid sequence of cytochrome C between different species, scientists can infer information about their evolutionary relationships.
The number of amino acid differences between cytochrome C in different species indicates the amount of time that has passed since those species diverged from a common ancestor. The more amino acid differences there are between two species, the longer ago they diverged from a common ancestor.
For example, the cytochrome C sequences of a rat and a fruit fly differ by around 50 amino acids, indicating that they diverged from a common ancestor around 800 million years ago. On the other hand, the cytochrome C sequences of a human and a yeast cell differ by around 150 amino acids, indicating that they diverged from a common ancestor around 1.5 billion years ago.
Overall, cytochrome C sequencing can provide important information about the evolutionary history of different species and can help us understand how they are related to each other.
Why is deforestation a risk to the water cycle and our supply of freshwater?
Question 1 options:
deforestation removes trees that are essential in preventing evaporation from the ocean
without trees, infiltration cannot occur and groundwater sources will be depleted
trees are needed to capture water from the atmosphere through the process of evapotranspiration
trees move groundwater into the atmosphere to eventually create new precipitation
Option A. Deforestation removes trees that are essential in preventing evaporation from the ocean is the water cycle and our source of freshwater are at risk from deforestation.
Deforestation on a large scale causes areas to flood more easily and causes landslides in hilly areas because tree roots help soil retain water. Cutting down trees without replacing them leads to soil erosion, which can be extremely destructive in some regions.
The strongest justification for deforestation is that it "opens up area for mining and cattle grazing."
Deforestation is the term for human operations intended to clear trees from naturally occurring forested areas.
The loss of biodiversity and the effects of global climate change may be adversely impacted by deforestation.
Deforestation is frequently employed as a cover for progress, yet under normal circumstances, deforestation and advancement should complement one another.
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A Health & Personal Wellness 06.02 Bacteria HS Biology S2 - FLPT / Module 06: Classification and Diversity 3. What is the function of the structure identified by the red arrow? (4 points)
mobility
protection
reproduction
DNA transfer
The structure proven through the crimson arrow is a mobilephone membrane. The precept characteristic of the phone membrane is to shield the mobilephone inner environment with admire to modifications in the external environment. This is also called homeostasis.
What is the characteristic of DNA in controlling mobile function?DNA carries the guidelines needed for an organism to develop, live to tell the tale and reproduce.
To elevate out these functions, DNA sequences should be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.
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Please help meee
describe an incident that shows how you were doing "selection" during the process of perception. Then, give your own example about a stereotype that you do.
For instance, when walking through a crowded room, a person might unconsciously filter out irrelevant information and focus their attention on a particular person or group of people who they find interesting or familiar.
They may selectively attend to certain visual or auditory cues, such as clothing, hairstyle, or accent, which can shape their perception of those individuals.
What is an example of a stereotype?Stereotypes are oversimplified and generalized beliefs about a group of people based on characteristics such as race, ethnicity, gender, religion, or nationality. They are often inaccurate and can lead to prejudice and discrimination.
Therefore, it is important to recognize and challenge stereotypes and strive to treat each person as an individual, rather than as a member of a group.
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PLEASE HELP 20 POINTS
The compounds come under the category:
Lipids: glycerol, fatty acids
Proteins: amino acids, enzymes, polypeptides
Carbohydrates: monosaccharides, a product of photosynthesis, fast fuel
A large class of organic compounds called lipids, also referred to as fats, are insoluble in water. In some instances, they may also contain nitrogen, sulfur, or phosphorous. They are made up of carbon, hydrogen, and oxygen atoms.
Amino acids are the building blocks of proteins, which are intricate organic structures. Carbon, hydrogen, oxygen, nitrogen, and occasionally sulfur make up their chemical makeup.
The body uses proteins for a variety of purposes, including repairing and regenerating tissues, controlling metabolism, and moving molecules.
Organic compounds known as carbohydrates have a 1:2:1 ratio of carbon, hydrogen, and oxygen. They are a significant source of energy for the body and can be found in nature in a wide variety of forms, such as sugars, carbs, and fibers.
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Which of the following would be considered a cross test?
Answer: cross between homozygous recessive trait and heterozygous trait
Explanation:
1. After a nerve impulse arrives at the sarcolemma, list the next structures it will pass through to release calcium into the sarcoplasm.
2. After calcium is released into the sarcoplasm, describe the key steps involved in contracting a single sarcomere.
A muscular contraction is started when ACh molecules diffuse across the synaptic cleft and bind to the receptors on muscle fibres.
When sodium ions enter the sarcolemma through the sodium channels connected to the ACh receptors, the sarcolemma depolarizes and begins to contract.
The action potential in the sarcolemma activates the DHPR, which then opens RyR and causes Ca++ to diffuse out of the SR and into the sarcoplasm. Actin and myosin can bind to one another when Ca++ enters the sarcoplasm, which starts the contraction and shortening of sarcomeres.As a muscle fibre is activated, a wave of depolarization moves across the t-tubule, causing the SR muscular contraction to release calcium ions into the sarcoplasm.Calcium is forced back up into the SR and reduces the calcium ion concentration in the sarcoplasm to relax the muscle (turn off contraction).
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A student states that front 2 will cause cloudless skies in the nearby region. Is this student’s statement correct? Explain your answer. Also, identify the type of front it is.
The assertion made by the pupil is not totally accurate. While it is true that some fronts can offer bright sky, this is not always the case, and the statement is overly generic.
How do fronts impact the climate?A front is a type of meteorological system that serves as the division line between two types of air. Typically, one type of air is denser than the other and has a distinct temperature and humidity content.
What do weather fronts mean?Weather fronts delineate the difference between two air masses, which frequently have dissimilar characteristics. As an illustration, one air mass might be chilly and dry whereas the other might be comparatively warm and moist.
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Answer:
The student is incorrect. Front 2 is a warm front.
Explanation:
Warm fronts form when a warm air mass collides with a cold air mass. The warm air mass rises, condenses, and leads to cloud formation.
Which particles flow through ATP synthase, causing it to produce ATP?
OA. Protons (H+ ions)
OB. Electrons (e¯)
O C. Phosphate (P) groups
D. Potassium atoms (K)
Answer:
Protons : Protons (H+ ions).
ATP synthase uses the protons flowing into the matrix to bind ADP and Pi and release ATP.
Explanation:
The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP.
Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyse conversion of ADP to ATP.