A) chromosomes
B) lamellae
C) plasma membrane
D) mesosomes
Correct Answer: A
Solution :
Genes are segments of DNA. Johanson (1909) described the gene as Unit of heredity which can assigned to a particular character. Morgan and Bridges suggested that genes are located on chromosomes in linear fashion. Plasma membrane is a thin elastic and differentially or selectively permeable membrane. It is composed of large amount of phospholipids, proteins and some amount of polysaccharides. In bacteria on the plasma membrane generally at mid point, there are present some circular coiled bodies called mesosomes. These contain respiratory enzymes like oxidases and dehydrogenases i.e., help in respiration.
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