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?
o
a. osmosis
o
b. exocytosis
o
c. active
o
d. facilitated

answer; /// i believe that the correct answer is; ///a combination of the birth and death

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

cell division is not regulated in tumor cells.

sex cells are usually half's then they find another half and make a fertilize egg