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Discussion
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Microbiology
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Microbial Metabolism
See What Others Are Saying!
Question
Hexose monophosphate pathway is also known as
Options
A. phosphogluconate pathway
B. oxaloacetate pathway
C. malate pathway
D. fumerate pathway
Correct Answer
phosphogluconate pathway
More questions
1. The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is
Options
A. southern blot
B. cloning library
C. DNA microarrays
D. northern blot
Show Answer
Scratch Pad
Discuss
Correct Answer: DNA microarrays
2. A characteristic of protein synthesis in both the archaea and eukarya is
Options
A. transcription and translation are coupled
B. translation is inhibited by diphtheria toxin
C. proteins are synthesized from D-, rather than L-, isomers of amino acids
D. the initiator tRNA is charged with N-formyl-methionine
Show Answer
Scratch Pad
Discuss
Correct Answer: proteins are synthesized from D-, rather than L-, isomers of amino acids
3. The favouring conditions for floaters is
Options
A. high intial amounts of salt
B. thick skin that does not allow gas to diffuse out
C. both (a) and (b)
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: both (a) and (b)
4. The envelope of which of the following viruses is derived from the host cell nucleus?
Options
A. Paramyxoviruses
B. Retroviruses
C. Orthomyxoviruses
D. Herpesviruses
Show Answer
Scratch Pad
Discuss
Correct Answer: Herpesviruses
5. The viral nucleocapsid is the combination of
Options
A. genome and capsid
B. capsid and spikes
C. envelope and capsid
D. capsomere and genome
Show Answer
Scratch Pad
Discuss
Correct Answer: genome and capsid
6. Quinolones are
Options
A. antimetabolites
B. penicillin derivatives
C. bacteriostatic
D. broad-spectrum
Show Answer
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Discuss
Correct Answer: broad-spectrum
7. The role of molecular chaperones is to
Options
A. facilitate binding of ribosomes to mRNA
B. degrade newly synthesized polypeptides that contain inaccurate sequences
C. facilitate binding of RNA polymerase to DNA
D. aid a newly synthesized polypeptide in folding to its proper shape
Show Answer
Scratch Pad
Discuss
Correct Answer: aid a newly synthesized polypeptide in folding to its proper shape
8. During the carboxylation phase of the Calvin cycle, CO
2
combines with
Options
A. ribulose 1,5 - bisphosphate
B. phosphoglyceraldehyde
C. pyruvic acid
D. oxaloacetic acid
Show Answer
Scratch Pad
Discuss
Correct Answer: ribulose 1,5 - bisphosphate
9. Black kraut is caused by
Options
A. the plant enzymes
B. the micro-organisms
C. the combined actions of plant enzymes and micro-organisms
D. none of the above
Show Answer
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Discuss
Correct Answer: the combined actions of plant enzymes and micro-organisms
10. Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of
Options
A. high osmotic pressure
B. low osmotic pressure
C. moderate osmotic pressure
D. high surface tension
Show Answer
Scratch Pad
Discuss
Correct Answer: high osmotic pressure
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