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suter [353]
3 years ago
5

The red blood cell count is kept stable despite production of new cells by what?

Biology
2 answers:
alex41 [277]3 years ago
6 0

Answer:

Programmed cell death

Explanation:

Programmed cell death is also called as apoptosis and refers to the process of aging of cells after certain time. Red blood cells also have definite life span and are subjected to programmed cell death after completion of their life span. The RBCs of blood have a life span of 120 days after which they undergo programmed cell death to keep their total count constant in blood.

allochka39001 [22]3 years ago
4 0
I took the test the answer (for sure) is c: programmed cell death. Good Luck!
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4.4-1 Anaerobic Respiration
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For lactic acid fermentation, the correct options are:

  • pyruvate
  • hydrogen
  • NADH
  • lactic acid
  • Lactic acid
  • pyruvate
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For ethanol fermentation, the correct options are:

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  • acetyl CoA
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  • Acetaldehyde
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<h3>What is a anaerobic respiration?</h3>

Anaerobic respiration is respiration which occurs in the absence of oxygen.

Oxygen is used as an electron acceptor during respiration. However, when oxygen is absent or insufficient, other molecules are used as electron acceptors in order to produce energy.

Anaerobic respiration in large organisms may result in the formation of lactate known as lactic acid fermentation.

In lactic acid fermentation, after glycolysis, the two pyruvate molecules receive hydrogen atoms from NADH creating lactic acid. Lactic acid can be converted back into pyruvate in the liver. The pyruvate can then enter into the mitochondria and cellular respiration, can proceed.

On the other hand, anaerobic respiration in microorganisms produce ethanol and is known as ethanol fermentation.

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In conclusion, anaerobic respiration can occur either as a lactate fermentation or ethanol fermentation.

Learn more about anaerobic respiration at: brainly.com/question/13943624

#SPJ1

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