★ Cell Quiz
What part of the cell forms a barrier between an animal cell and its environment?
A. cell membrane
B. cell wall
C. ribosome
D. cholesterol
Select your answer:
Topics:
Gastroenterology Cardiovascular Heart and Circulatory System Biological Molecules and Enzymes Inner Ear Neuroanatomy Tissues of The Body Human Genetics Health and Diseases Anatomy and Physiology Skeletal System Iron Kinetics Body Dental Specialties Child Development Circulation of Blood Hearing ImpairmentOther quiz:
Science Reproduction › ViewThe contraceptive method in which hormones are taken by a female to prevent her ovaries from releasing eggs is
A. a Diagphragm
B. The pill
C. Female sterilization
D. Male Sterilization
E. Condom
Macromolecules and Enzymes › View
The monomer amino acid is also known as an enzyme, which helps to catalyze biological chemical reactions.
A. Carbohydrates
B. Lipids
C. Nucleic Acids
D. Proteins