Question

attempts force completion once started, this test must be completed in one sitting. do not this test does not allow backtracking. changes to the answer aft your answers are saved automatically. remaining time: 44 minutes, 05 seconds. question completion status: 1 2 3 4 5 6 7 8 9 10 11 12 13 29 30 31 32 33 34 35 36 37 38 39 40 41 moving to the next question prevents changes to this answer. question 27 the structure that regulates what enters and leaves the cell is called a. the golgi apparatus b. mitochondria c. the endoplasmic reticulum d. the nucleus e. the cell membrane

Explanation:

The cell membrane is a selectively - permeable barrier. It controls the movement of substances in and out of the cell. The golgi apparatus is involved in modifying, sorting, and packaging proteins and lipids. Mitochondria are the power - houses of the cell, generating ATP. The endoplasmic reticulum is involved in protein and lipid synthesis. The nucleus contains the cell's genetic material.

Answer:

e. the cell membrane