Biology Quiz #2

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Organisms that possess a true nucleus are termed

a. / prokaryotes / d. / pseudokaryotes
b. / eukaryotes / e. / nucleokaryotes
c. / akaryotes

____ 2. The random, unrestrained movement of molecules from one place to another is called

a. / diffusion / d. / active transport
b. / osmosis / e. / endocytosis
c. / facilitated diffusion

____ 3. The phenomenon that prevents cells from continuing to grow once they touch each other is

a. / absent in most cancer cells / d. / a & b
b. / called contact inhibition / e. / a, b & c
c. / probably dependent on the glycocalyx

____ 4. The organelle responsible for the storage of digestive enzymes is the

a. / lysosome / d. / ribosome
b. / Golgi apparatus / e. / NOT
c. / nucleus

____ 5. The part of the cell that anchors the cilia and flagella to the cell membrane is the

a. / centriole / d. / endoplasmic reticulum
b. / basal body / e. / centromere
c. / ribosome

____ 6. The process that begins with glycolysis and ends with the production of either ethanol or lactic acid is

a. / cellular respiration / d. / fermentation
b. / the Krebs cycle / e. / chemiosmosis
c. / photosynthesis

____ 7. Aerobic respiration occurs in the

a. / mitochondria / d. / Golgi bodies
b. / chloroplasts / e. / lysosomes
c. / ribosomes

____ 8. Which of the following organelles are found in prokaryotes?

a. / ribosomes / d. / Golgi apparatus
b. / nuclei / e. / chloroplasts
c. / mitochondria

____ 9. The chemical that makes up the majority of the cell membrane is the

a. / steroid / d. / nucleic acid
b. / carbohydrate / e. / protein
c. / phospholipid

____ 10. The movement of a solvent (typically water) through a selectively permeable membrane is called

a. / diffusion / d. / active transport
b. / osmosis / e. / endocytosis
c. / facilitated diffusion

____ 11. The first stage of aerobic respiration is

a. / glycolysis / d. / chemiosmosis
b. / the Krebs cycle / e. / citric acid cycle
c. / the electron transport chain

____ 12. The protein structure that involves the combination of two or more polypeptide chains is ___ structure.

a. / primary / d. / quaternary
b. / secondary / e. / pentanary
c. / tertiary

Biology #1

Answer Section

MULTIPLE CHOICE

1. C

2. B

3. D

4. A

5. C

6. D

7. E

8. B

9. D

10. D

11. E

12. A

13. B