What activity in a cell is like a device (flashlight) using energy from the
battery?

Differences between compact bone and cartilage

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis