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lions [1.4K]
3 years ago
15

How is the level of oxytocin controlled by a positive-feedback mechanism?

Biology
1 answer:
Hoochie [10]3 years ago
6 0
I believe the answer is b 
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PLEASE HELP WILL MARK BRAINLIEST
vfiekz [6]

Answer:

Almost nothing.  We’d have plenty time to pack our bags and leave.

Explanation:

The random-walk process, radiative diffusion, causes the photon to take millions years to reach the surface of the Sun. So if fusion in the core of the Sun suddenly stopped, the surface would continue to shine for millions of years, and therefore, the luminosity would not decrease abruptly.

5 0
3 years ago
Lemurs’ bodies are adapted to efficiently store energy for times when food is scarce. This adaptation may help to explain how le
Brums [2.3K]

Answer: Lipids.

Explanation:

The large carbon -hydrogen bonds(C-H) in chains of lipids makes them ideal storage of energy.

T<u>he more C-H bonds breakage, the higher protons availability from Citric acid cycle NADH and FADH2  and hydrogen atom splitting (to protons and electrons) for  the electron transport chains (ETC</u>), and therefore the higher proton pumps for  more ATP's synthesis in the mitochondria matrix.  

In addition large number of electrons  surrounding carbon atom in fatty acids than other food molecule is added factor.  The transfer of these electrons to oxygen during oxidation of fatty acids releases large amount of energy (9 kilo calorie) into the cells,  more than other food substances  

4 0
3 years ago
What are the two circuits of the cardiovascular system? What does it mean to say that the cardiovascular system is a closed syst
maksim [4K]

Answer:

The two circuits of the cardiovascular system are: Pulmonary Circuit and Systematic Circuit. The pulmonary circuit is shorter than the systemic and is responsible for carrying deoxygenated blood to the lungs from the right atrium, for oxygenation. The systemic circuit is longer and leaves the aortic artery, carrying oxygenated blood throughout the body and nutrients for survival. If less blood were pumped into the systemic circuit, this amount would not be sufficient to compensate for the organism's needs, with the corresponding consequences that this would entail.  

It is said that the cardiovascular system is a closed system because blood travels inside a network of blood vessels without leaving them.

5 0
3 years ago
HELP ME PLEASE!!!
KIM [24]
The answer is B. Think of it this way. You always give insulin with a meal cause they need to raise their blood sugar. Glucagon is given when the blood sugar is too high and needs to come down.
5 0
3 years ago
What is convergent evolution?
Inga [223]

Convergent evolution in my understanding is the independent evolution of similar features in species of different lineages.

7 0
3 years ago
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