23. cells that need to make a lot of protein are expected to have a large number of 24. a cell’s relatively constant internal physical and chemical conditions are called 25. the electrons that chlorophyll loses to the electron transport chain are replenished by molecules. 26. a cell that has 5 chromosomes in the g1 phase will have chromatids in the g2 phase. 27. adult skin cells can no longer become other types of cells because they have already under

the answer is b)3/8x+1

"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."