Cell Membrane Quiz Questions and Answers PDF - 45

MCQ 221: The cell membrane is a trilaminar structure, in which the thickness of each layer is about

1. 12 nm
2. 4 nm
3. 6 nm
4. 2.5 nm

MCQ 222: The biological substances, acting on a specific target cell, termed as

1. hormone
2. receptor
3. steroids
4. proteins

MCQ 223: The number of axons in the neurohypophysis is nearly

1. 2000 in number
2. 100,000 in number
3. 500,000 in number
4. 700,000 in number

MCQ 224: The zonular fibers are made up of a protein, named as

1. Fibrillin
2. valine
3. tubulin
4. fibrinogen

MCQ 225: The length of the middle piece of the sperm is about

1. 8 µm
2. 2 µm
3. 4 µm
4. 6 µm