What do alcohol fermentation, acetyl CoA formation, and the Krebs cycle have in common?
All produce water
All produce carbon dioxide.
All produce ATP
All produce alcohol

They all produce water. have a nice day hope this helped

Explanation:

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explanation:

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the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.