Martha is telling her teacher how an animal cell is like a house. Which part of the animal cell is like the doors and windows in Martha's house?

cell membrane is like doors and windows!!

Hope this helps!

Explanation:

Cell membrane

Explanation:

The cell membrane is selectively permeable meaning it allows some things to enter and leave unlike the cell wall which is fully permeable so it allows everything to pass through it

depends on if you on plato or not

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.