16.
Which of the following structure is absent in eukaryotic cells?
A. Mitochondria
B. Chloroplasts
C. Golgi structure
D. Mesosome
Answer & Explanation
Answer: Option D
Explanation:
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17.
Who was the inventor of the Petri dish?
A. R.J. Petri, an assistant of R. Koch
B. A famous French cook
C. Italian glass blower from Petri, Italy
D. None of the above
Answer & Explanation
Answer: Option A
Explanation:
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18.
Which one is not studied in microbiology?
A. Bacteria
B. Animal behaviour
C. Fungi
D. Algae
Answer & Explanation
Answer: Option B
Explanation:
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19.
A characteristic of protein synthesis in both the archaea and eukarya is
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
Answer & Explanation
Answer: Option C
Explanation:
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20.
Cell theory includes all of the following except
A. all organisms are composed of one or more cells
B. the cell is the most primitive form of life
C. the cell is the structural unit of life
D. cells arise by division of preexisting cells
Answer & Explanation
Answer: Option B
Explanation:
No answer description available for this question