Sperm are stored in the _____.
A. interstitial cells
B. seminiferous tubules
C. vasa deferentia
D. perineum
B. seminiferous tubules
Biology & Microbiology
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When a planarium is cut in half, a head will regenerate from the wounded anterior end and a tail will regenerate from the wounded posterior end. This is an example of
A. conditional specification. B. autonomous specification. C. fate mapping. D. Spemann's organizer. E. transforming growth factor.
Biology & Microbiology
Energy in organic wastes is indicated by
a. A. b. B. c. C. d. D. e. E.
Biology & Microbiology
Which of the following is a terpene?
A) testosterone B) vitamin A C) glycerol D) estrogen E) chitin
Biology & Microbiology
Which group of genes in Drosophila embryos must be mutated if the result is elimination of a significantly sized, contiguous region of segmentation?
What will be an ideal response?
Biology & Microbiology