In the citric acid cycle, malate is oxidized to form
A. citrate.
B. succinate.
C. oxaloacetate.
D. fumarate.
E. malate.
Answer: C
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The knocking out, replacement, or addition of a gene in a genome is called____
a. DNA manipulation b. gene manipulation c. gene targeting
d. DNA cloning e. transgenic modification
Where in a eukaryotic cell does oxidative phosphorylation occur?
a. Outer membrane of the mitochondria b. Inner membrane of the mitochondria c. Inner part of the cell membrane d. Throughout the cytoplasm
Which of the following is NOT accurate concerning
ionization? a. When one atom loses electrons, another must gain electrons. b. When an atom loses an electron, it becomes negatively charged. c. Ionic bonds form between ionized atoms. d. In the compound NaCl, Na loses an electron to become positive. e. In an ion, the number of protons and electrons is unequal.
Atoms or molecules that contain an unpaired electron from a broken covalent bond are known as:
a) Hydroperoxyl ions b) Free radicals c) Hydrogen ions d) Antioxidants