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mote1985 [20]
3 years ago
10

4. A bacterium is discovered with new mutated form of isocitrate dehydrogenase that catalyzes the same reaction but produces hyd

rogen gas instead of NADH. a. Write a balanced equation for the new reaction. b. What affect does this mutation have on the amount of ATP produced from one glucose molecule
Biology
1 answer:
Ksju [112]3 years ago
3 0
Isocitrate + NAD+ -> a-ketoglutarate + CO2 + H2

The amount of ATP produced from one molecule of glucose will decrease because NADH is no longer produced in the isocitrate dehydrogenase reaction. Without generation of this high energy electron carrier there will be less electrons from one molecule of glucose that are transferred to and through the electron transport chain. So there will be less protons (H+ ions) pumped into the intermembrane space. So there will be less of a H+ ion gradient across the inner mitochondrial membrane to drive the synthesis of ATP by ATP synthase.
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A product of the anterior pituitary gland that causes color changes in it's target cells is melanocyte stimulating hormone (MSH) .

Hence the correct answer is option D .

<h3>What is the pituitary gland ? </h3>

Pituitary is known as the master gland of our body, because it controls and coordinates the development and functions of other endocrine glands. It is found in the base of the brain in a bony cavity called 'sella tursica' and is attached to the hypothalamus.

It has two parts - anterior pituitary ( also known as adenohypophysis) and posterior pituitary ( neurohypophysis).

<h3>What is anterior pituitary?</h3>

The anterior pituitary has two parts para distalis and pars intermedia. Of this , FSH, LH, TSH, ACTH etc., is released by pars distalis, and the only hormone from pars intermedia is the MSH .

  • FSH - Follicle Stimulating Hormone - Stimulates the growth of ovarian follicles for next menstrual cycle.
  • LH - Luteinizing Hormone - Induces ovulation of fully mature follicles and maintains corpus luteum.
  • TSH - Thyroid Stimulating Hormone - Stimulates secretions of  Thyroid gland.
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Hence from the above points ,we can conclude that MSH causes color changes in it's target cells.

So correct answer is option D .

To learn more about anterior pituitary :

brainly.com/question/14704975

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