From what structures do microtubules arise?
a. lysosomes
b. macrotubules
c. centrosomes
d. mitochondria
e. microfilaments
(
Question 2) ATP synthase
a. pumps H+ ions into the intermembrane space
b. transports oxygen
c. accepts H+ ions from NADH
d. is not part of the ETS
e. uses ATP to pump H+ out of the mitochondrial matrix
(
Question 3) Which cytoskeletal element is the largest?
a. microtubules
b. macrotubules
c. small filaments
d. macrofilaments
e. microfilaments
(
Question 4) Which modified form of pyruvate enters the citric acid cycle?
a. acetyl CoA
b. adenosine diphosphate
c. citric acid
d. oxaloacetic acid
e. pyruvic acid
(
Question 5) What three distinct elements comprise the cytoskeleton?
a. microtubules, microfilaments, and intermediate filaments
b. tubules, filaments, and lumens
c. small tubules, small filaments, and big filaments
d. microtubules, minitubules, and macrotubules
e. microfilaments, minifilaments, and macrofilaments
(
Question 6) Which statement regarding the citric acid cycle is incorrect?
a. It occurs in the mitochondrial matrix.
b. It forms carbon dioxide.
c. It forms two ATP molecules during each turn.
d. Acetyl CoA and oxaloacetate react to form citric acid.
e. Each turn forms one molecule of GTP.
(
Question 7) What is the storage form of glucose?
a. glycogen
b. adipose tissue
c. lipids
d. inclusion
e. insulin
(
Question 8) During anaerobic conditions,
a. more pyruvate is formed from lactate.
b. the degradation of glucose cannot proceed beyond the Krebs cycle.
c. mitochondrial processing of nutrient molecules takes place.
d. the ETS continues to function, but the Krebs cycle does not.
e. FAD is not converted to FADH2.
(
Question 9) Vaults are non-membranous organelles shaped as ____.
a. hexagons
b. pentagons
c. octagons
d. decagons
e. dodecagons
(
Question 10) Select the incorrect association.
a. ATP/high-energy bonds
b. electron transport chain/mitochondrion
c. glycolysis/anaerobic
d. glycolysis/cytosol
e. pyruvate/five-carbon molecule
Quick Reply
