2024 Fall Semester Exam Review

A protein that acts as a catalyst to speed up chemical reactions in cells.

The reactant molecule upon which an enzyme acts.

A substance that decreases or stops the activity of an enzyme.

46 chromosomes.

The movement of molecules across a cell membrane using energy, typically against a concentration gradient.

The process of passive transport of molecules across a cell membrane via specific transmembrane proteins.

The diffusion of water across a selectively permeable membrane.

The process by which a cell expels materials in vesicles that fuse with the plasma membrane.

Organelles that conduct photosynthesis, converting light energy into chemical energy.

A change in the DNA sequence that can lead to changes in protein structure and function.