Which types of cells in the human body do not repair themselves if they have been damaged?
a. Skin
b. Bone
c. Blood
d. Hair
e. Nerve
e
Biology & Microbiology
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Of the subphases of prophase I of meiosis, the phase at which mammalian egg cells are arrested for years during oogenesis is
A) leptotene. B) zygotene. C) pachytene. D) diplotene. E) diakinesis.
Biology & Microbiology
Outline at least 3 ecological roles of the giant kelps
What will be an ideal response?
Biology & Microbiology
Which extraembryonic membrane forms finger-like projections of the placenta?
a. yolk sac b. amnion c. chorion d. allantois e. umbilical cord
Biology & Microbiology
By evaluating and selecting mates with superior qualities, an animal can increase its
A. reproductive success. B. length of life. C. competitive strategies. D. foraging efficiency. E. learning.
Biology & Microbiology