As sperm are produced, they go through several stages. Which one of the following stages develops directly into mature motile sperm?
A) primary spermatocytes
B) spermatogonia
C) spermatids
D) secondary spermatocytes
E) Sertoli cells
C
You might also like to view...
Translation occurs in _____.
A) the nucleus B) a DNA molecule C) a ribosome D) a tRNA molecule
What would be the danger in lacking nociceptors? What will be an ideal response?
Mammal-like reptiles arose during which time period?
a. Triassic period b. Cambrian period c. Devonian period d. Cretaceous period e. Carboniferous period
How can poverty lead to overnutrition and obesity in America?
A. People living in poverty cannot afford foods with complete proteins. B. People living in poverty cannot afford foods with adequate amounts of vitamin A. C. People living in poverty may receive fewer than the minimum dietary requirement. D. People living in poverty take advantage of the growing availability of calorie-rich, highly processed foods. E. All of the above are correct.