The electrons for photosynthesis come from ____.
A. ATP
B. electrolytes
C. NADP+
D. chlorophyll a
E. H2O
Answer: E
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Insects are well known for their:
A. hydrostatic skeletons. B. striated muscles. C. endoskeletons. D. exoskeletons.
A cell that contains a receptor for a hormone is known as a(n) ____
a. endocrine gland b. paracrine cell c. neuroendocrine cell d. target cell e. signaling cell
__ stimulates the descent of the testes
Fill in the blank(s) with the appropriate word(s).
One explanation for organelle inheritance of disease phenotypes is that ________
A) organelles such as mitochondria are always wild type B) chloroplasts, for example, are completely dependent on the nuclear genome for components C) mitochondria and chloroplasts lack DNA and are therefore dependent on the maternal cytoplasmic contributions D) mitochondria and chloroplasts have DNA that is subject to mutation E) None of the answers listed are correct.