Refer to the accompanying figure. The function of the structure labeled as 3 is to:
a. secrete an alkaline fluid that neutralizes the acids of the vagina.
b. produce a nutritive fluid for the sperm.
c. provide a place for maturation and storage of sperm.
d. secrete mucus that lubricates the penis.
e. maintain sperm at a low body temperature
a
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Examples of shapes in regulatory proteins that are used to bind to DNA include
_____ zinc finger. _____ TATA box. _____ helix-turn-helix. _____ leucine zipper. _____ Doubledomain.
Small tubes that carry urine from the renal pelvis to the bladder are called
A. urethras. B. the distal convoluted tubules. C. the collecting ducts. D. the ureters. E. the renal corpuscles.
The field of ________ focuses on the ultimate cause of animal behavior in natural conditions.
Fill in the blank(s) with the appropriate word(s).
Solar equator
What will be an ideal response?