An agent that increases mutation rate is a ____
Fill in the blank with the appropriate word.
mutagen
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During which of the following stages of the cell cycle would a chromosome consist of only a single chromatid?
A) G1 B) G2 C) mitotic prophase D) mitotic metaphase E) All of the choices are correct.
Saliva contains the enzyme __________, which begins the process of starch digestion. Fill in the blank(s) with the appropriate word(s)
An increase in the rate of carbon dioxide production by tissue will ____
a. increase the rate of H+ production b. cause the blood to become less acidic c. cause hemoglobin to retain oxygen d. cause hemoglobin to release carbon dioxide e. have no effect on oxygen delivery to tissue
Which of the following electron carriers transfers both protons and electrons?
A) cytochrome a B) cytochrome b C) coenzyme Q D) iron-sulfur proteins E) iron-copper proteins