Each muscle fiber is also called a ______.
a) muscle cell
b) myofibril
c) sarcomere
d) muscle
Ans: a) muscle cell
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A five-carbon sugar connected to a purine or pyrimidine ring is most accurately referred to as a(n) ____
Help with this one, please? Thank you.
The hundreds of species of Drosophila in Hawaii exhibit different mating rituals. This isolating mechanism is
A. prezygotic and behavioral. B. prezygotic and temporal. C. prezygotic and geographical. D. postzygotic and mechanical. E. prezygotic and ecological. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about reproductive isolation mechanisms? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is a paracrine regulator that affects almost every organ in the body?
A. insulin B. testosterone C. prostaglandin D. gonadotropin E. epinephrine
Excess glucose is converted into glycogen in the
a. pancreas. b. liver. c. thymus. d. thyroid. e. kidneys.