About 97% of scientist believe that climate change is caused by what?

A) Human Activity
B) The sun
C) Minimal greenhouse gases
D) None of these

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?