MICROBIAL METABOLISM QUIZ

TCA cycle functions in

anabolic reactions

none of these

catabolic reactions

amphibolic reactions

TRUE ANSWER : ?
YOUR ANSWER : ?

The role of bacteriophyll in an oxygenic photosynthesis is to

transfer electrons to an intermediate in the sulfide oxidation pathway

reduce NADP directly

use light energy to energize an electron

reduce ferridoxin directly

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate ?

Alkaline phosphates

Protease

Hydrogenase

Oxidoreductase

TRUE ANSWER : ?
YOUR ANSWER : ?

Entner-Doudoroff pathway is found in

aerobic eukaryotes

aerobic prokaryotes

anaerobic prokaryotes

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

Incorporation of atmospheric N2to NH4+ occurs via the process of

deamination

transamination

nitrogen fixation

assimilatory nitrate reduction

TRUE ANSWER : ?
YOUR ANSWER : ?

Most of the energy in aerobic respiration of glucose is captured by

substrate-level phosphorylation

electron transport of electrons from NADH

the enzyme formic-hydrogen lyase

long-chain fatty acid oxidation

TRUE ANSWER : ?
YOUR ANSWER : ?

The glyoxylate cycle is used by some microorganisms when___________ is the sole carbon source.

carbon dioxide

all of these

acetate

nitrate

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphate deregulated mutants are

highly sensitive to phosphate regulation

less sensitive to phosphate regulation

none of these

moderately sensitive to phosphate regulation

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitrogen fixation is a process that requires

an anaerobic environment

both (a) and (b)

energy

an aerobic environment

TRUE ANSWER : ?
YOUR ANSWER : ?

Anoxygenic photosynthetic bacteria oxidize

water

oxgyen

ammonia

sulfide

TRUE ANSWER : ?
YOUR ANSWER : ?

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