The final three-dimensional shape of a single polypeptide is called its ________ structure.
A. primary
B. secondary
C. tertiary
D. quaternary
Answer: C
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Meiosis proceeds different in males compared to females. Which of the following best describes one of those differences?
A. The haploid cells produced by spermatogenesis are genetically diverse from the original parent cell and the haploid cells produced by oogenesis are genetically identical to the original parent cell. B. Spermatogenesis occurs in the ovaries and oogenesis occurs in the testes. C. Spermatogenesis results in the production of four haploid sperm cells and oogenesis results in the production of a single haploid egg cell. D. Spermatogenesis produces haploid cells and oogenesis produces diploid cells. E. Spermatogenesis begins while the man is still a fetus, but oogenesis does not begin until after a woman reaches puberty.
Why does buoyant force act upward on an object submerged in a fluid
What will be an ideal response?
Calcitonin works synergistically to parathyroid hormone
____________________ Indicate whether the statement is true or false.
The maintenance of a constant internal environment is
A. positive feedback. B. negative feedback. C. homeostasis. D. positive regulation.