4) All of the following pieces of equipment EXCEPT for
another.
could be useful for transferring a liquid from one container to
A)
beaker
B)
flask
petri dish
D)
graduated cylinder

The answer is C. Petri Dish because a beaker, flask and graduated cylinder all hold liquid and can be transferred.

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.