MICROBIAL METABOLISM QUIZ

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

the enzyme formic-hydrogen lyase

substrate-level phosphorylation

electron transport of electrons from NADH

long-chain fatty acid oxidation

TRUE ANSWER : ?
YOUR ANSWER : ?

Entner-Doudoroff pathway is found in

anaerobic prokaryotes

both (a) and (b)

aerobic prokaryotes

aerobic eukaryotes

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

Sulfate-reducing bacteria

Acetogens (acetigens; acetate-producing microbes)

Methanogens (methane-producing microbes)

Methanotrophs (methane-oxidizing microbes)

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Protease

Alkaline phosphates

Oxidoreductase

Hydrogenase

TRUE ANSWER : ?
YOUR ANSWER : ?

Free energy change (ΔG) of a reaction is referred as the amount of energy

liberated during reaction

none of these

taken up during reaction

liberated or taken up during reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

The catabolic reaction, pentose-phosphate exists in

prokaryotic and eukaryotic cells both

eukaryotic cells

none of these

prokaryotic cells

TRUE ANSWER : ?
YOUR ANSWER : ?

The mechanism of passive or facilitated diffusion require

metabolic energy

accumulation or concentration of solute against an electrochemical gradient

accumulation of solute against an electrochemical gradient

concentration of solute against an electrochemical gradient

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacteriochlorophyll differs from chlorophyll in what way?

The chelated metal in bacteriochlorophyll is not Mg

They have different absorption spectra

There are chemical differences between the two chlorophyll in their side (R) groups

Both (b) and (c)

TRUE ANSWER : ?
YOUR ANSWER : ?

Digestive reactions where large molecules are broken down into smaller ones are referred as

biosynthesis

catabolism

metabolism

anabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphate is considered to restrict the induction of

both (a) and (b)

secondary metabolites

none of these

primary metabolites

TRUE ANSWER : ?
YOUR ANSWER : ?