Put the steps of cellular respiration in order.
1 1. in the citric acid/kreb's cycle the carbons that are left from the initial glucose are oxidized releasing more
co2. nadh and fadh2 and 2 atp molecules are produced.
12. glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 atp
are produced and nadh is saved for later.
13. two molecules of pyruvate move into the mitochondria where they are converted into acetyl coa. more
nadh is produced and co2 is released.
4. in the electron transport chain, the nadh and fadh2 give up electrons, energy is released and captured as it
moves from a high concentration to a low concentration.
15. energy is used to produce about 34 atp. oxygen is the terminal electron acceptor that combines with oxygen
to produce water

The steps will be in order in the sequence 12,13,11,4 and 15

Explanation:

12. In glycolysis, glucose is converted into pyruvate. ATP and NADH ARE MADE.

13. Pyruvate is oxidized and converted into acetyl CoA in the mitochondria. Carbon dioxide and NADH are also made.

11. The acetyl CoA undergoes a series of changes and ATP, FADH2, NADH, and carbon dioxide are released.

4. NADH and FADH2 lose their electrons and get converted back into NAD+ and FAD.

15. Oxygen takes electrons and water is produced. 34 ATP molecules are released.

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"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."