Structure Of The Cell - Questions & Answers | Exam2Win

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71. Number of protofilaments in a microtubule is

A. 10

B. 13

C. 16

D. 18

Explanation:

72. Centrosome was discovered by

A. Boveri

B. Porter

C. Thompson

D. Schimper

Explanation:

73. A microtubule has a diameter of

A. 100

B. 150 Å

C. 250 Å

D. 100 nm

Explanation:

74. Pattern of organization of eucaryotic cilia and flagella is

A. 9 + 0

B. 9 + 1

C. 9 + 2

D. 9 + 3

Explanation:

75. The contractile constituent of cytoskeleton is

A. Microtubules

B. Intermediate filaments

C. Microfilaments

D. Microfibrils

Explanation: