Which of the following is a typical source of nutrients and water for developing amniote embryos?
a. squalene
b. bone
c. keratin
d. collagen
e. albumin
E
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Which of the following statements about oogenesis is false?
A. None of the answer options is false. B. It can take as long as 50 years for some primary oocytes to complete oogenesis. C. Primary oocytes form when a female is a fetus in her mother's uterus. D. Meiotic divisions are asymmetrical in oogenesis. E. Fertilization occurs before the final round of meiotic divisions in humans.
Organisms with a cell wall cannot carry out
A. diffusion. B. osmosis. C. active transport. D. endocytosis. E. exocytosis.
The __________ of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.
Fill in the blank(s) with the appropriate word(s).
Wind is to a wind farm as what is to hydropower?
A. hydrogen gas B. flowing water C. solar energy D. steam E. hot salt