Proto-oncogenes code for proteins that stimulate cellular growth and division. What happens when these genes fail to regulate the amount of protein produced? A- Cells stop growing and enter the G0 phase of the cell cycle.
B- Cells continue to grow and divide in an uncontrolled manner.
C- Neighboring cells send out chemical signals that start apoptosis.
D- Neighboring cells respond to the proteins and begin uncontrolled growth.

Which chemical bond most likely stores the most energy? o a. double carbon-carbon bond o b. single carbon-carbon bond o c. hydrogen-oxygen bond o d. sodium-chlorine bond

Which of the following accurately describes the correct order of events in the process of transpiration within a plant? a. water enters the roots, passes through the leaves, and leaks through the stem pores. b. water enters the roots, gets transported through the stem, and evaporates through the leaves. c. water is absorbed through the leaves, is transported through the stem, and nourishes the roots. d. water is absorbed through the leaves, nourishes the roots, and leaks through the stem pores.

What is the meaning of exocytosis ?