Primary spermatocytes divide by what process?
A. Meiosis I
B. Meiosis II
C. Meiosis
D. None of these are correct.
Answer: A
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Which of the following is not a reason for erythrocytes' flattened "doughnut" shape?
A) It allows them to fit together with leukocytes to facilitate the transport of both. B) It allows the minimum distance for diffusion of gases. C) It increases the surface area available for gas diffusion. D) It allows them to "stack" together to pass through small blood vessels more efficiently. E) It gives them flexibility so that they can pass through the circulation more easily.
These features are common to all connective tissues except
A) Most cells are not in direct contact with each other. B) Interstitial fluid is so scarce that it is not visible with a light microscope. C) Cells usually occupy less space than extracellular material. D) Protein fibers are usually present in the ground substance. E) Most of them are highly vascular.
Nonkeratinized cells exfoliate from the surface of the skin
Indicate whether the statement is true or false
Which of the following is NOT part of the colon?
A. Rectum B. Ascending colon C. Transverse colon D. Sigmoid colon