Solute is the substance that dissolves
Solute is a minor componentSolvent is a major componentSolutions is a mixture where the solute is uniformly distributed in the solvent.Solution is homogeneous mixture that contains particles the size of a typical ion or small molecule.The mass of the solute dissolved per unit volume of solvent is called ConcentrationSolubility is The concentration of a saturated solutionSolutes lower the freezing point and raise the boiling point of a solvent.Saturated Solution is a solution in which no more solid can be dissolvedUnsaturated Solution is solution in which more solid can be dissolvedPrecipitate is a solid that crystallizes out of a saturated solution as it is cooled.To know more about solute visit :
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If I feed unlimited pizza to my siblings, then they will get a stomachache.
independent variable is ? dependent variable is ?
Answer:
Dependent Variable- Whether or not they get a stomachache
Independent Variable- The amount of pizza you feed them
Explanation:
Dependent Variable- The variable you observe
Independent Variable- The variable you change
I hope this helped, have a great day!
Answer: D.V- If they get a stomachache or not, I.V- How much pizza they ate
Explanation:
why the electron carrier NADH is used exclusively in the production of ATP whereas it phosphorylated form (NADPH) is used in anabolism
According to the research, the correct answer is the electron carrier NADH is used exclusively in the production of ATP because they are electron-donor molecules that lead to the synthesis of ATP, whereas it phosphorylated form (NADPH) is used in anabolism to generate larger molecules or macromolecules.
What is NADH?It is the molecule made up of two nucleotides, one adenine and the other nicotinamide, which can be in oxidized or reduced form, acting as an exchanger of reducing power in metabolism.
In this sense, anabolic pathways use chemical energy in the form of ATP and NADPH obtained by reducing NADP+ by accepting electrons from water, a donor that is oxidized to synthesize cellular components from simpler molecules obtained in different ways by different types of cells.
Therefore, we can conclude that according to the research, the correct answer is the electron carrier NADH is used exclusively in the production of ATP because they are electron-donor molecules that lead to the synthesis of ATP, whereas it phosphorylated form (NADPH) is used in anabolism to generate larger molecules or macromolecules.
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Why can two people draw different phylogenic trees using the same data and still both be correct?
The most common misinterpretation that does not change the result is related to taxa relatedness is to use the distance between taxa in phylogenetic trees to determine relatedness, i.e., the proximity of branch tips, often referred to as “tip reading”. Branches can be rotated around nodes, however, so that the positions of taxa are arbitrary.
What is phylogenetic tree?A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.
What is the advantage of a phylogenetic tree?It helps us to understand how species are related to each other. The evolution of animal species has been prolific (the estimates go into the millions and tens of millions).
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You are preparing a 4-tube series of a 5-fold serial dilution. If Tube #1 contains 500 µL of undiluted stock solution, then what volume will be
transferred from Tube #1 to Tube # 2 to Tube # 3 to Tube #4?
O 500 μL
O 400 μL
O 250 μL
O 100 μL
The volume will be transferred from Tube #1 to Tube # 2 to Tube # 3 to Tube #4 is 500 μL.
What is serial dilution?
In order to produce an incubated plate with a readily countable number of colonies, serial dilution is employed in microbiology to measure the concentration or number of cells/organisms in a sample. To get the appropriate concentration of reagents and chemicals from a greater concentration, serial dilution is employed in biochemistry.
The concentration of an organism, in this case bacteria, is systematically lowered through successive resuspension in predetermined amounts of liquid diluent through the technique of serial dilution. Usually, the diluent's volume is a multiple of 10 to aid in the sample organism's logarithmic reduction.
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Which of the following is NOT an example of homeostasis?
a
During rigorous exercise the heart rate increases to deliver more blood to the cells.
b
As humans age, they become more susceptible to disease and cancer.
c
When blood glucose is high, the hormone insulin reduces blood glucose.
d
When body temperature rises, nerve impulses cause sweat glands to release more sweat.
Answer:
d
Explanation:
When body temperature rises, nerve impulses cause sweat glands to release more sweat
Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with one another?
The ways to observe that a chemical change has occurred when two substances come in contact with one another are as follows:
Color Change.Production of an odor.Change of Temperature.Evolution of a gas (formation of bubbles)Precipitate (formation of a solid)What is a chemical change?A chemical change is a any process in which reactants are changed into products by the breaking or creation of chemical bonds.
A chemical change is opposed to a physical change in the sense that a physical change affects only the form of a chemical substance, but not its chemical composition.
The ways to observe if a chemical change has occured are as follows:
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Answer:
(Question) Which of the following is an example of only a physical change?
(Answer) dry ice becoming vapor
(Question) Which of the following demonstrates a chemical change?
(Answer) iron (Fe) reacting to water((H2O)) and oxygen(O) to form iron oxide(Fe2O3)
(Question) Which of the following is a reliable way to observe that a chemical change has occurred when two substances come in contact with one another?
(Answer) conduct a test to determine the chemical makeup of the molecules
(Question) Which of the following happens during a chemical change but does not happen during a physical change?
(Answer) Atoms of one or more substances rearrange into a new substance.
(Question) Which of the following example demonstrates the reversibility of a chemical change?
(Answer) recharging batteries
Explanation:
i just finished the quick check. enjoy
A fat (or triacylglycerol) would be formed as a result of a dehydration reaction between__.
O one molecule of 9 and three molecules of 10
O three molecules of 9 and one molecule of 10
O one molecule of 5 and three molecules of 9
O one molecule of 5 and three molecules of 10
A fat (or triacylglycerol) would be formed as a result of a dehydration reaction between three molecules of 9 and one molecule of 10.
three molecules of 9 and one molecule of 10How are triglycerides formed by dehydration synthesis?The dehydration synthesis of triglyceride is a condensation reaction in which one molecule of glycerol reacts with three fatty acids to form a triglyceride. Glycerol has three hydroxyl groups and fatty acids have carboxylic groups so they condense together with the loss of three water molecules and form an ester bond.
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If I’m running a marathon characteristics of life would I need to survive
In your own words, define the term science.
Answer:
agriculture, environmental, body, and nature
Fill in the blank
The graph indicates that the mean of the treatment is _____ than the mean of the placebo
The graph indicates that the mean of the treatment is Smaller than the mean of the placebo
The graph shows that the treatment's mean is lower than the placebo's mean.
The following graphs display several data sets that illustrate how medication affects how quickly you recover. Each graph with a statistically significant distinction between the placebo and the experiment should be clicked.
Thomas T. Harman and Walter Showell's Birmingham Dictionary is available online.
Thus, it will become clear that the typical church organ is actually a combination of three or four lesser organs.
ORGAN BUILDING'S RECENT REVOLUTIONGEORGE LAING MILLER
He means that I should assist him by keeping in mind and by making more modest requests of him.
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Two chemicals were placed in a container and a chemical reaction occured. The container became hot at the end of the reaction.
what kind of chemical reaction had happened ?
Answer:exothermic
Explanation:
the reaction gave off heat which means energy was leaving we leave through exits so it was exothermic
The type of cartilage found at end of bones articulating to form joints is
Answer:
That would be Hyaline cartilage. A smooth type of cartilage that helps bones move or glide over one another.
Answer:Bone marrow
Explanation: it is what keeps the bones strong and together
Procedures to finding solutions to food born illneses
The Procedures to follow for solutions to food born illneses :
1. Wash your hands
2. Handle Raw Animal Food Properly
3. Use Clean and Sanitized Instruments, Instruments and Surfaces
5. Keep animals away from food and food preparation areas
1. wash your hands
One of the most important personal hygiene habits is also the prevention of food poisoning. You can get the most out of hand washing by following these simple steps.
2. Handle Raw Animal Food Properly
Improper handling of animal products is a common cause of food poisoning. It is important to take proper steps to ensure that these products are safe to consume.
3. Use clean and sanitized equipment, utensils and surfaces
Before preparing food, ensure that food contact surfaces and equipment are clean and sanitized to prevent the spread of harmful bacteria in food.
Avoiding cross-contamination also prevents the growth and spread of dangerous pathogens.
4. Eat before expiration date
It is a common belief that expired food is edible as long as there are no obvious signs of spoilage. Pathogens often grow to dangerous levels without being visible, odorous, or tasteful.
5. Keep animals away from food and food preparation areas
When it comes to disease transmission, animals are her one of the worst offenders. You may not be bathing your dog or cat regularly and often end up with more illnesses as a result.
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Which statements accurately describe animals? Check all that apply.
-All animals are prokaryotes.
-All animals are multicellular.
-All animal have cells that contain a nucleus and organelles.
-All animals are capable of asexual reproduction
-All animals must maintain stable internal conditions.
-All animals stay in one place throughout their lifetime.
-All animals make their own food.
All animals are multicellular.
All animal have cells that contain a nucleus and organelles. These two are the correct statements.
Animals have a huge variety of characteristics that set them apart from species in other kingdoms, despite the fact that they all belong to the animal kingdom. The vast majority of animals have specialized tissues, and all animals are eukaryotic, multicellular organisms. The majority of animals are mobile, at least at some points in their lives. Animals need nourishment in order to thrive and grow. Every animal is heterotrophic, meaning they consume both live and dead organic stuff. They differ from autotrophic creatures like most plants, which produce their own nutrition through photosynthesis, and from fungi, which externally digest their food, in that they receive energy in this manner. Animals can be parasitic, herbivorous, carnivorous, or omnivorous.Most animals reproduce sexually, and unlike plants, the young go through a sequence of developmental stages that shape their body plans.Therefore, all animals are multicellular and have cell organelles.
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science is based on facts not options.
-an ______ is a statement that expresses feelings or beliefs.
-facts on the other hand ,are statements that can be proved true. supported with _____
fill in the blanks.
Answer:1 is opinion
2is evidence.
Explanation:
Answer:
the first one is "opinion"
the second one is "facts"
Someone picks up a card that has 2 carbohydrate molecules that are bonded on it and asks "excuse me, but I think you dropped your name tag?
what is the joke here?
Explanation:
YAA! its a joke I laughed like Hell!
I don't understand what's the Joke in this..
If a DNA molecule is 10% Adenine (A), what percent of the DNA molecule
is made up of Cytosine (C)? (Hint: remember the base pairing rules)
related set of
If a DNA molecule is 10% Adenine (A), 40% of the DNA molecule
is made up of Cytosine (C)
The DNA composition ratio can be calculated by Chargaff's rule which states that, Guanine and cytosine should both be present in equal amounts in the DNA of every species and organism, while adenine and thymine should both be present in equal amounts. Additionally, there should be a 1:1 stoichiometric ratio between the purine and pyrimidine bases (A+G=T+C).
As per the Question,
If, A=10 then T=10 because A always pair with T. If T=10, then G=40, and then C=40. The total sum is equal to 100 or A + G (10 + 40) = T + C (10 + 40). Which ratio is equal to 1:1.
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How would you know when homeostasis has been reached in your egg and syrup system?
The egg and syrup system
because the egg membrane is semi-permeable, water can flow in however proteins can not flow out. If a egg is positioned in the corn syrup the egg will shrink. this is also because of osmosis, but inside the opposite direction. The corn syrup is more often than not sugar.
What takes place whilst you go away an egg in water for twenty-four hours?
depart the egg within the water for 24 hours. The water will migrate from the side of the membrane wherein water molecules are abundant (outside the egg) o the side where water molecules are less considerable. After 24 hours, the egg will be plump once more.
What takes place whilst you positioned an egg in vinegar then corn syrup?
as the vinegar reacts with the eggshell, bubbles surround the egg, inflicting it to waft. while the egg is placed in the salt water, it sinks to the lowest of the beaker again, considering the fact that it's miles greater dense than the salt water solution. The egg floats inside the corn syrup due to the fact the corn syrup is extra dense than the egg.
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Choose the right answers
Answer:
1st, 2nd and Last option
Explanation:
The number of protons is equal to its atomic number. Neutral atom means that the charge in the atom is 0. In order to make the charge 0, the proton and electron charges have to be additive inverses, meaning the sum of the proton and electron charges have to be 0. Each proton has a +1 charge while each electron has a -1 charge. Hence, the number of protons and electrons have to be equal.
Explain how water cycles globally
Explanation:
Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation).
Consider the results of Ostfeld et al. 2018 paper. What type of forest is most likely to have a high
predators?
A site in a mostly maple forest.
B site surrounded by less than 1 kilometer of forest.
C site surrounded by at least 1 kilometer of forest.
D site in a mostly oak forest.
According to the result of Ostfeld et al., the type of forest that is most likely to have high predators is the site surrounded by at least 1 kilometer of the forest. Thus, the correct option for this question is C.
What do you mean by Predators?Predators may be defined as the type of animals/organisms that primarily obtains food by killing and hunting other organisms and finally consuming them. In a more simple sense, predators may be characterized as an animal that naturally preys on others.
The results of Ostfeld et al. 2018 paper, the area that is surrounded by at least 1 kilometer of the forest is known as the zone of predators, where a high number of predators are found. This is because in this region predators got an extremely good amount of food with less expenditure of energy.
Therefore, the correct option for this question is C.
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9.) What is an emergent property?
Answer:
here
Explanation:
properties that become apparent and result from various interacting components within a system but are properties that do not belong to the individual components themselves.
Give your advice on what you think someone should do that is willing to start living a healthy, nutritious lifestyle?
(in regards of nutrition, 1 paragraph)
How is it possible for a woman to produce several eggs at one time
Answer:
women cannot produce eggs
Explanation:
they produce baby
Students set out five bird feeders, each of a different color:
red, blue, green, yellow, or brown.
Assuming that birds have no color preference, what is the theoretical
probability that a visiting bird will go to the blue feeder?
A. 1.0
B. 0.2
C. 0.4
D. 0.5
Assuming that birds have no color preference, the Probability that a visiting bird will go to the blue feeder is 0.2 (20%)
B. 0.2How is probability calculated?The probability is calculated using a simple division. Just divide the number of events by the number of possible outcomes, as seen in the formula
p = n(e)/n( Ω ).With this information, we can conclude that To determine the probability that z is between two given values, determine the cumulative areas for each value, then subtract the smaller from the larger. To determine the probability that z is less than a given value, find the corresponding accumulated area.
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Write a paper that outline the adaptations of carnivorous plants ( see pp.91-92 of evolutionary analysis). Use Gibson and waller 2009) to summarize specifically how “ snap-trap” may have evolved from “flypaper” trap by natural selection .adderess the pertinent principles of natural selection found in chapter 3 of envolutionary Analysis .A link to this paper is found on the blackboard site for this couse
Answer:
1 adaptation of carnivorous plant is this
Trapping Their Prey
Common trapping techniques are pitfall traps, flypaper traps, snapping traps, and suction traps. The first two use adaptations that involve shape and sticky surfaces. The last two are particularly fascinating, because the presence of prey triggers the plant to take action — to move, quickly!
What type of transport occurs when a large cell contains a smaller cell such as a bacteria
A large cell contains a smaller cell like bacteria due to phagocytosis.
Bacteria are the microorganisms that are the most primitive on earth. These are omnipresent. Bacteria can be both harmful as well as useful. The bad bacteria cause several diseases whereas the good bacteria help in digestion, nitrogen fixation, curdling of milk, etc.
Phagocytosis is a type of endocytosis. It is also called cell-eating. In phagocytosis, cell engulfs solid large bacteria completely. This is done by forming extensions of the plasma membrane called pseudopodia. These pseudopodia then fuse and pinch off to form endocytic vesicles. Organisms like amoeba perform phagocytosis, and human immune cells too.
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1) What is the difference between spectroscopy and spectrometry?
2) Why is it necessary to use a narrow wavelength spectrum of light in spectrometry? Why do we use wavelengths of peak absorbance for a particular analyte?
3) What volume of a 100 ppm (part per million) stock solution would be used to create 30 mL of a 10 ppm standard?
Spectroscopy refers to the interaction of matter with energy.
What is spectroscopy?The term spectroscopy refers to the interaction of matter with energy. It shows the manner in which matter is able to interact with energy. Spectrometry is the application of spectroscopy.
It is important to use a narrow wavelength during spectroscopy because different wavelengths can be used to identify the various kinds of compounds in the sample.
The dilution formula could be used to obtain the new concertation of the solution after dilution. An aliquot of the stock solution is added to a measured volume of water and made up to the required mark for dilution.
Using the dilution formula;
C1V1 = C2V2
C1 = 100 ppm
V1 = ?
C2 = 10 ppm
V2 = 30 mL
V1 = C2V2/C1
= 10 ppm * 30 mL /100 ppm
V1 = 3 mL
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Describe digestion in the small intestine and large intestine
What are villi and microvilli? What are their funcrions
Answer:
Villi and microvilli are both membranous structures that help facilitate the exchange of materials out and in the cell.
Explanation:
Since they are threadlike projections it increases the surface area while decreasing the volume (that's really good for any cell!). So they both indeed make the exchange of fluids and other materials easier.
4. Explain how ecological pyramids help analyze energy flow through trophic levels
a.
5. Explain how matter flows between trophic levels and among ecosystems
a.
6. Explain how water cycles globally
a.
7. Identify the importance of the nutrient cycles
a.
8. Explain how nutrient availability affects primary productivity
The ecological pyramids help us analyze energy flow through trophic levels because it provides information about organism and its population.
How ecological pyramids help analyze energy flow through trophic levels?Ecological pyramids help to analyze energy flow through trophic levels because it has a brief explanation about the type of organism in each trophic level. It also gives information about feeding behaviour and population of organisms in it.
Explain how matter flows between trophic levels and among ecosystems?Matter flows between trophic levels and among ecosystems through feeding of one organism to another.
Explain how water cycles globally?Liquid water evaporates in the form of water vapor. This water vapor condenses to form clouds and falls back to the earth in the form of rain and snow.
Identify the importance of the nutrient cycles?The importance of the nutrient cycles is storage of elements, which is important because some organisms require a small quantity of a particular nutrient in order to survive.
Explain how nutrient availability affects primary productivity?If sufficient sunlight and water are available to the producers, then the primary productivity increases in that ecosystem. We know that the primary productivity of an ecosystem is limited and controlled by the availability of nutrients.
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