Which of the following is true in this situation. Cells are in an isotonic solution. a
The cells lose water.
b
The cells gain water.
c
The cells stay the same.

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

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above