Cow skin cell has 60 chromosomes. a cow egg cell has .
60
120
30?

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

In which ways are mercury and venus similar?