Asmall polar molecule enters a cell with from a membrane protein. no
additional energy was needed to complete this process. what type of
transport is this?
a. facilitated
b. active
c. exocytosis
d. osmosis

answer: i say it foxes

explanation:

you need to give us the answer options to for me to offical decide.

this transfer is call conjunction

this is a good question! i'll do some research and come back when i have the answer!

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )