What different between an animal cell and a plant cell?

plant cells have a cell wall and animal cells dont

hello,

plant cells and animal cells are different because plant cells have a wall while animal cells do not. plant cells also have chloroplast while animals do not.

that should help a little

Explanation:

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.