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Worksheets9.2 Microbial Physiology Module 9: Metabolism
Total questions: 10
Worksheet time: 5mins
Which type of linkage is present between any two phosphate groups in ATP?
An anhydride linkage
An ester linkage
An ether linkage
None of these
What is a unique feature of the Entner-Doudoroff pathway?
It bypasses glycolysis entirely.
It generates more ATP than glycolysis.
It produces both NADPH and NADH.
Which of the following statement is true of FAD and FADH2?
FAD is the oxidized form, and FADH2 is the reduced form.
FAD is the reduced form, and FADH2 is the oxidized form.
The conversion of FAD to FADH2 is an addition reaction.
The conversion of FAD to FADH2 is a condensation reaction.
Which of the following are transported by NAD+ and FAD coenzymes?
Electrons
Hydrogen Ions
Both electrons and hydrogen ions
Neither electrons nor hydrogen ions
Which organisms typically use the Entner-Doudoroff pathway?
Mammals
Obligate anaerobes
Bacteria such as Pseudomonas and Zymomonas
Fungi
What role does ribose-5-phosphate play in the cell?
Used in glycolysis
Forms ATP
Precursor for nucleotide synthesis
Oxidized to pyruvate
Which of the following is the starting compound of the citric acid cycle?
Acetyl CoA
Oxaloacetate
Isocitrate
Succinyl CoA
Which of the following is the correct sequence of reactions that occur during the conversion of citrate to isocitrate?
dehydration followed by hydration
hydration followed by dehydration
oxidation followed by reduction
reduction followed by oxidation
How many molecules of CO2 are released at the end of the citric acid cycle?
One
Two
Three
Four
Which of the following are needed to convert fructose 6-phosphate to fructose 1,6-bisphosphate?
phosphofructokinase and Ca2+
phosphofructokinase, ADP, and Ca2+
phosphofructokinase, ADP, and Mg2+
phosphofructokinase, ATP, and Mg2+
