During spermatogenesis, ________ is required for ________
a. FSH; spermatid remodeling
b. LH; spermatid remodeling
c. testosterone; for both mitosis and meiosis in the germ cells
d. Both a and c
e. Both b and c.
D
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Where in the body would you find low oxygen levels causing vasoconstriction and high levels causing vasodilation?
A) heart B) kidney C) lungs D) liver
The reticular layer of the dermis consists primarily of
A. elastic connective tissue. B. dense irregular connective tissue. C. nervous tissue. D. reticular connective tissue. E. adipose tissue.
The posterior part of the vertebral arch is the
A. intervertebral disk. B. vertebral foramen. C. lamina. D. intervertebral foramen. E. spinous process.
The ideal pH level of water for most fish is an average of 8.0
Indicate whether the statement is true or false