★ Cell Theory and Cell Organelles Quiz
This organelle is a rigid outer layer that protects plant cells.
A. Cell Membrane
B. Cell Wall
C. Nucleus
D. Chloroplast
Select your answer:
Topics:
Maximal Oxygen Consumption (VO2 Max) Muscle & Nerve Tissue Visual Impairment Ankle, Foot, & LL - Injuries Cells, Genetics & Heredity Review Asexual/Sexual Reproduction Nutrients in Food Enzymes & Metabolism HL Digestion and Microbes Malaria Skin Structure, Growth & Nutrition Pulmonology/Respiratory Healthcare Systems and Settings Enzymes and ATP Structure Blood and HematologyOther quiz:
Lymphatic System › ViewA. P, Q, R
B. Q, R, S
C. P, R, S
D. P, Q, S
Enzyme › View
What is the purpose of an enzyme?
A. give permission for the reaction
B. raise activation energy
C. speed up reactions
D. control how many reactions occur