BIOS 242 Microbiology Week 3 Quiz (Version 1), Chamberlain. Best document for exam.

Quiz 3 Microbiology



Question 1
pts
(TCO 5) Catabolic reactions may be characterized as _____.

endergonic
Correct!
breaking large molecules into smaller molecules

forming large molecules from smaller molecules

photosynthetic

None of the above

Chapter 5, Catabolism and anabolism




Question 2
pts
(TCO 5) Enzymes known as lyases participate in _____ reactions.

anabolicCorrect!

catabolic

both anabolic and catabolic

neither anabolic nor catabolic

oxidation-reduction

Chapter 5, Role of Enzymes in Metabolisms




Question 3
pts
(TCO 5) During the Krebs cycle, _____.

, either 36 or 38 ATP molecules are synthesized, depending on whether the organism is
a prokaryote or a eukaryote

pyruvic acid is produced, lowering the pH of the cytoplasm
Correct!
electrons are transferred to NAD+ and FAD in the form of hydrogen atoms

NADH and FADH2 are oxidized

ribulose 5-phosphate is produced as an intermediate

Chapter 5, The Krebs Cycle




Question 4
pts
(TCO 5) Anaerobic bacteria may use which of the following as final electron acceptors
in respiration?

OxygenCorrect!

Nitrate

Ethanol

Methane

Hydrogen sulfide

Chapter 5, Electron Transport




Question 5
pts
(TCO 6) An aligned pair of homologous chromosomes is called a _____.

chromatid

spindleCorrect!

tetrad

coenocyte