Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
In the bacteria : (1) mesosome is present (2) nucleoid represents the genome (3) ribosomes are found in cytoplasm (4) histone proteins complexed with DNAA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 1, 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
Mesosomes are present as in folding or intrusions of the plasma membrane of bacteria. The bacterial cytoplasm contains many ribosomes of 100Å diameter. The genetic material in bacterial cell is DNA. The bacterial genome is thus represented by a single circular couble helical DNA molecule.
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