In a bacterial cell the genes are free in the cytoplasm. In what cell structure are the genes in plant and animal
cells?

Nuclues

Explanation:

fun fact : What is the difference between a bacterial cell and an animal cell?

Nucleus: The most important difference between a bacterial cell and animal cell is that the bacterial cell does not have a membrane-enclosed nucleus. Instead, the bacterial cells keep its genetic material in an irregularly spaced region called nucleoid.

i believe it would be the lungs.

"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."