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Kamila [148]
3 years ago
11

An example of a macromolecule is a(n)

Biology
2 answers:
dlinn [17]3 years ago
5 0
Both answers b and d are macromolecules so either one would be correct. personally i would put b
Aliun [14]3 years ago
5 0
I can say it is not a because that is a “regular” molecule
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Helga [31]

Answer:

Option B, ventricular diastole

Explanation:

Ventricular diastole also termed as ventricular relaxation consists of two phases. In the first phase, the following set of events takes place –  

a) Relaxation of ventricle muscles

b) Reduction in pressure  of blood within the ventricles

c) As this reduced blood pressure gets lower than that of pressure with in the pulmonary trunk and aorta, blood starts flowing back towards the heart.

d) A small dip in the blood pressure is observed at this stage

e) Volume at this stage remains constant as the atrioventricular valves remain closed

f) This phase is known as isovolumic ventricular relaxation phase

In the second phase, the following set of events takes place –

a) Relaxation of ventricular muscle  

b) Dropping of pressure of the  blood within the ventricles lower than that of pressure of blood in the atria

c) Blood starts flowing from atria into the ventricles thereby opening the tricuspid and mitral valves

d) Both the heart chambers chambers are in diastole,  

e) Atrioventricular valves are open

f) Semilunar valves remain closed  

Hence, option B is correct

3 0
3 years ago
What determines how the homologous chromosomes line up during metaphase 1 of meiosis?
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In metaphase I, the homologous chromosomes line up at the metaphase plate. In anaphase I, the homologous chromosomes are pulled apart and move to opposite poles. Sister chromatids are not separated until meiosis II.

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Sauron [17]

Answer:

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7 0
3 years ago
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Well, both subatomic particles of protons and neutrons contribute to the mass of the atom, and thus I believe that the correct response would be D. Protons and neutrons are located in the nucleus of the atom and both are responsible for the mass, atomic mass of the atom.
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3 years ago
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