Answer:
carbon dioxide and water are the reactants, the products are oxygen and glucose
Explanation:
Which best describes this inheritance pattern?
Answer:
Codominance because the offspring's scale color includes both parents' scale colors
Explanation:
In general, the light reactions convert ____________ energy into ____________ energy.
Answer:
solar, chemical
Explanation:
Answer:
In general, the light reactions convert solar energy into chemical energy.
Explanation:
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Which of the following is a distinguishing feature of prokaryotes compared with eukaryotes?A. The absence of membrane bound organelle in prokaryotic cells.B. Smaller and less complicated eukaryotic cellsC. The presence of ribosomes in eukruotic cells onlyD. The method of nutrition
What is the purpose of having leak and gated channels for the neuron?
Answer:
The leak channels allow Na+ and K+ to move across the cell membrane down their gradients (from a high concentration toward a lower concentration). With the combined ion pumping and leakage of ions, the cell can maintain a stable resting membrane potential.
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Explanation:
1. Both white and red blood cells form in: a) bone marrow b)
thymus c) arterial wall d) A and C
2. A red blood cell lives for approximately
Explanation:
a
they form in the bone marrow
a red blood cell lives for approximately 120 days.
Answer:
1 a) bone marrow
2 RBC lives for approximately 115 days
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Answer:
According to the image shown, the country that most closely resembles the population pyramid by age is the United States (option A).
Explanation:
The population pyramid consists of a bar chart that groups the population by age and sex. Each sex is separated into two columns, while from the base to the top the ages are grouped from lowest to highest.
The pyramid by age shown in the image corresponds to a developed country, such as the United States, since the distribution of the population of infants and young people is proportional, being more acute in the advanced ages, acquiring the shape of a bottle.
The "bottle" shape of the population pyramid indicates a controlled birth rate, as well as good availability of basic and sanitary resources, characteristic of a developed country like the United States.
The other options are not correct because:
C and D. In developing countries such as Nigeria and Ethiopia, the birth rate is high - forming a broad base - and the resources available are limited, so there is a progressive decrease as the age groups are distributed, giving a true pyramid shape.
B. Italy, a European country, has a tendency to rhomboidal population pyramids. This is due to a predominance of adult, young and mature, population, low birth rate, good basic and sanitary resources.
it is a thin layer around the cell but not a rigid one. it has openings to allow transportation and exchange of materials,
What’s a Newton ?????
Answer:
A Newton is a unity for representate the force applicated for move an object in a problem of physics. It depends on mass and aceleration or speed.
A Newton equivaluates:
1 N = 1 kg × m/s^2
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Answer:
Subsistence agriculture
Explanation:
The definition of subsistence agriculture is a form of farming where nearly all of the crops or livestock are raised to maintain the farmer and his/her family, leaving little to nothing for sales or trade
Explain how the CRISPR method may accidentally cause cancer cells to develop
Answer:
crispr takes out genes and puts new ones in i think
Explanation:
Which organelles are not found in plant cells? vacuoles mitochondria chloroplasts centrioles
Answer:
Centrioles
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Answer:
D. centrioles
Explanation:
True or false: High levels of adrenaline decrease the ability to remember trauma but
increase the ability to concentrate. *
O True
O False
Answer: False
Explanation:
This is a false statement because researches have shown that Adrenaline is helping and it is good for long-term memory and if we have lots of Adrenaline that is making our brain work and remember better and more.
If we are recalling being insulted, falling, or something more, we can still retrieve those memories because of the Adrenaline and that means that it is not decreasing the ability to remember the trauma.
Many different components play a role in the mammalian host immune system. Match the components of an immune response with a description of the role that they play.
a. Leukocytes
b. Antigen
c. Lysozyme
d. Antibody
1. an antimicrobial chemical
2. glycoprotein that binds to a specific antigen
3. function in both innate and adaptive immunity
4. a foreign substance that provokes an immune response
Answer:
The immune response is defined as the our body fights against foreign bodies such as germs, bacteria, viruses, etc.
Explanation:
a. Leukocytes
-- 3. function in both innate and adaptive immunity.
Leukocytes are the white blood cells which defends the body against any infections and diseases.
b. Antigen
-- 4. a foreign substance that provokes an immune response.
Antigens are bodies that provokes or stimulates the immune system.
c. Lysozyme
--- 1. an antimicrobial chemical.
Lysozyme is an enzyme which is secreted by the in the milk, tears and saliva. It acts as an antimicrobial agent which cleaves the peptidoglycan component of the bacterial cell walls and leads to the death of the cell.
d. Antibody
-- 2. glycoprotein that binds to a specific antigen.
Antibodies are secreted in the mucosa and in the blood. It binds to the toxins and the pathogens.
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How does the structure of DNA enable its function?
Answer: The structure of DNA enables DNA to coil so that the long molecule is compact and lots of information can be stored in a small space.
Explanation:
Answer:
DNA is made up of two nucleic acid strands joined by hydrogen bonding. DNA winds into a double helix, with hydrogen bonding between the bases of each strand like the rungs of a ladder. This structure enables DNA to coil so that the long molecule is compact and lots of information can be stored in a small space.
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does A. oryzae undergo aerobic respiration
Answer:
Yes. It does undergo aerobic respiration.
Explanation:
To understand why this happens, let us define the two respective terms. 'A. oryzae' is an aerobic filamentous fungus. This fungus has been popularized by the Japanese, who widely used it in traditional Japanese fermentation industries, including in making soy sauce, sake, bean curd seasoning, and vinegar. What is aerobic respiration? It is the process whereby cellular respiration occurs in the presence of oxygen gas in order to produce energy from food. Blending these terms, one can understand that 'A. oryzae' undergoes aerobic respiration during the fermentation process.
what is the molar mass of the chemical FeCI3 ?
Explanation:
The molar mass of iron(III) chloride is 162.204 g/mol.
The molar mass of the chemical FeCI3 is 162.20 g/mol. Molar mass is the mass of one mole of a substance.
What is molar mass?The molar mass represents the mass of one mole of a substance. It is measured in grams, per mole (g/mol). The mole, which serves as a unit of measurement helps in counting the number of atoms, molecules or ions, in a substance.
In the case of FeCl3, we have one iron atom (Fe) and three chlorine atoms (Cl).
The atomic mass of iron is 55.845 g/mol while the atomic mass of chlorine is 35.453 g/mol.
Thus to calculate the mass of FeCl3 we add up the products of the masses and their respective quantities:
Molar mass of FeCl3 = (1 x 55.845 g/mol) + (3 x 35.453 g/mol) = 162.20 g/mol
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why does a good conductor melt ice quickly?
A. A good conductor transfers heat slowly into the ice cube, causing it to melt
B. A good conductor transfers heat quickly into the ice cube, causing it to melt.
C. A good conductor transfers coldness quickly into the ice cube, causing it to melt
D. A good conductor transfers coldness quickly out of the ice cube, causing it to melt
Answer:
B
Explanation:
Heat moves from warm to cold so that means that C and D are eliminated. Conductors cause heat to move quickly thus melting the ice faster.
Although iodine is a trace element, its deficiency may result in metabolic
problems such as goiter. *
True
O False
answer is no. 2
false.
n
Which of the following statements BEST defines vestigial structures? :
-Structures that are different in different organisms
-Structures that are still present but currently serve little to no purpose
-Structures that are the same in different organisms
-Structures that are different between the infant and adult forms of an organism
Answer:
Structures that are still present but currently serve little to no purpose
Explanation:
Vestigial structures/organs are general defined as structures/organs that are present but poorly developed without any functional use in the present living organisms but thought to have been fully developed and functional in their ancestors.
Fully developed and functional organs gradually become less developed and non-functional across generations as the environment keeps changing and organisms found lesser use for the organs. An example includes the caudal vertebrae found in man which is kind of useless but thought to have been fully developed and functional in the ancestors of man - the monkeys.
Vestigial organs are often used as one of the morphological evidence of the evolution of living organisms.
Which process is speeded up by rubisco during the light-independent reactions of photosynthesis?
capture of light energy
carbon fixation
reduction
regeneration
The process that is speeded up by rubisco during the light-independent reactions of photosynthesis is B. carbon fixation.
Rubisco refers to the enzyme that's vital for carbon fixation which is the process through which atmospheric carbon dioxide will be converted by the plants to energy-rich molecules.
It should be noted that during carbon fixation, rubisco is vital in speeding up the process during the light-independent reactions of photosynthesis.
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Which of the following is NOT an accurate description of protein synthesis and folding?
a. Many copies of a protein can be synthesized simultaneously from the same mRNA.
b. The 3D shape of a protein is determined largely by the ribosome forming the protein.
c. The entire chain of amino acid exits the ribosome before it begins folding into its 3D shape.
d. The first encoded amino acid in every protein is methionine.
Answer:
OPTION b. "The 3D shape of a protein is determined largely by the ribosome forming the protein" is NOT an accurate description of protein synthesis and folding.
Explanation:
a. Many copies of a protein can be synthesized simultaneously from the same mRNA. TRUE. As a ribosome moves along the mRNA chain synthesizing a new protein, another ribosome might follow it, synthesizing another protein from the same mRNA chain. And so on. So, at the same time, many ribosomes might be attached to the mRNA, synthesizing many copies of the protein, but at different development levels. The mRNA chain together with many ribosomes is called a polyribosome.
b. The 3D shape of a protein is determined largely by the ribosome forming the protein. FALSE. What determined the 3D structure of the protein is the amino acid sequence of that particular polypeptide. Each amino-acid has different properties (hydrophobic, hydrophilic, positively charged, negatively charged) and they interact with each other by different bonds that depend on those poperties. So the amino acids composing the proteins and their interaction, is what models the structure of the protein.
c. The entire chain of amino acid exits the ribosome before it begins folding into its 3D shape. TRUE. When the ribosome reaches the end codon, the elongation process has finished, and the new protein leaves the ribosome and is translocated to the RER lumen where it is going to get folded.
d. The first encoded amino acid in every protein is methionine. TRUE. Almost always, the first amino acid located by the tRNA is the methionine, codified by the initiation codon AUG. This amino acid is frequently eliminated at the end of the process.
During translation, what occurs after mRNA Waves the nucleus?
A. The mRNA attaches to a ribonome,
B. The mRNA tormy a molecule of DNA,
C. The mRNA transfer arrino acids to the protein chain
D. The mRNA leaves the cell to form additional molecules
Answer:A
Explanation:
A piece of metal with a mass of 32.8 g is heated to 100.5°C and dropped into 138.2 g of water at 20.0°C. The final temperature of the system is 30.2°C. What is the specific heat capacity of the metal?
Answer:
Specific heat capacity of metal is 2.6 J/g°C.
Explanation:
Heat lost by metal = Heat gained by water
[tex]m_{m}[/tex][tex]c_{m}[/tex]ΔT = [tex]m_{w}[/tex][tex]c_{w}[/tex]ΔT
where: [tex]m_{m}[/tex] is the mass of metal, [tex]c_{m}[/tex] is the specific heat capacity of metal, ΔT is the change in temperature of metal and [tex]m_{w}[/tex] is the mass of water, [tex]c_{w}[/tex] is the specific capacity of water and ΔT is the change in temperature of water.
32.8 x [tex]c_{m}[/tex] x (100.5 - 30.2) = 138.2 x 4.2 x (30.2 - 20.0)
32.8 x [tex]c_{m}[/tex] x 70.3 = 138.2 x 4.2 x 10.2
[tex]c_{m}[/tex] x 2305.84 = 5920.488
[tex]c_{m}[/tex] = [tex]\frac{5920.488}{2305.84}[/tex]
= 2.56761
[tex]c_{m}[/tex] = 2.6 J/g°C
The specific heat capacity of the metal is 2.6 J/g°C.
The specific heat capacity of the metal is 2.6 J/g°C.
Calculation of specific heat capacity:We know that
Heat lost by metal = Heat gained by the water
So,
[tex]m_mc_m\Delta\ T = m_wc_w\Delta\ T[/tex]
Here
[tex]m_m[/tex] is the mass of metal,
[tex]c_m[/tex] is the specific heat capacity of metal,
ΔT is the change in temperature of metal
[tex]m_w[/tex] is the mass of water,
[tex]c_w[/tex] is the specific capacity of water
and ΔT is the change in temperature of water.
Now
32.8 x c_m x (100.5 - 30.2) = 138.2 x 4.2 x (30.2 - 20.0)
32.8 x c_m x 70.3 = 138.2 x 4.2 x 10.2
[tex]c_w[/tex] = 2.6 J/g°C
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at what type of plate boundary do plates move apart, resulting in the upwelling of material from the mantle to create new sea floor
Answer:
Divergent
Explanation:
Answer:
divergent plate boundaries
Explanation:
Which of the following is NOT a reason why native plants are better for the environment?
They are low maintenance since they developed in the ecosystem in which they are located
They do not need additional fertilizers or pesticides
O They provide food and habitat for wildlife
ОО
They are introduced to an environment where they did not evolve but quickly adapt to it
Answer:
D.They are introduced to an environment where they did not evolve but quickly adapt to it
Explanation:
Native Plants are the plants that are indeginous to a specific region for a long time. Hence, they create their own diversities and ecosystem. As they are prone to the pros(Eg :Soil Fertility) and cons( Eg: Less Sunlight) of their environment, they are well adapted to it and do not need additional requirements for their survival. Being plants, they form the basis of the food chain. However, they aren't introduced suddenly to the region, instead its a time taking process to adapt and evolve to their present location.
A student has 4 cups. All are equal in size and in shape. Each cup is made from a different material. The student pours an equal volume of water into each cup. The water is at room temperature (21°C). The student puts the four cups for exactly two minutes on a hot plate set at 60°C. At the end of two minutes, the student inserts a thermometer into each of the four cups and measures the water temperature in each cup. The student records the measurements in a table.
By looking at the table, the student concludes that the material that makes the best heat conductor out of the four materials tested is –
Answer:
The heated ones
Explanation:
Heat moves fast, but cold moves very slowly or not at all.
An object with a mass of 120 kilograms is moving at a velocity of 60 m/s what is its monentum
Answer:
An object with A mass of 120 kg is moving at a velocity of 60 m/s. Its momentum is 7,200 kg-m/s. Sol"n: m = m.v = 120 kg * 60 m/s = 7200 m kg / s.
Explanation:
Answer:
7200 N s
Explanation:
momentum = mass × velocity
given:
mass = 120 kg
velocity = 60m/s
momentum = 120 × 60
= 7200 N s
Determine whether the given conditions promote entry into oxidative metabolism or limit entry into oxidative metabolism. These abbreviations may be used: PDH is pyruvate dehydrogenase; PDK is pyruvate dehydrogenase kinase; PDP is pyruvate dehydrogenase phosphatase.
Answer:
hello your question is incomplete attached below is the complete question
Answer :
Oxidative metabolism increases
High O₂ levels, active PDHHigh O₂ levels, PDK inhibitor presentOxidative metabolism is limited
low O₂ levels, inactive PDH High O₂ levels, PDK active Low O₂ levels, PDK activeExplanation:
Oxidative metabolism increases
High O₂ levels, active PDHHigh O₂ levels, PDK inhibitor presentOxidative metabolism is limited
low O₂ levels, inactive PDH High O₂ levels, PDK active Low O₂ levels, PDK activeA car is running with velocity of 72 km/h .what will be its velocity after 5s if its acceleration is -2m/s2
Answer:
62 km/h
Explanation:
Use formula vf=vi+at
vf= 72 + (-2)(5)
vf= 72 - 10
vf = 62
Explanation:
real answer is 10m/s........