A reaction that releases energy is ________.
A. exergonic
B. impossible
C. endergonic
D. None of the choices are correct.
Answer: A
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Proteins that do not align with known amino acid sequences fall into two classes: (1) ________ proteins are encoded by genes that have matches in the database but no function has yet been assigned to any of the sequences; (2) Proteins of ________ function are the products of genes unique to that organism.
What will be an ideal response?
What component is not found in the cytoplasm of an egg?
a. Yolk proteins b. mRNA transcripts c. Yolk fatty acids d. tRNAs e. Ribosomes
Each of the following statements about the citric acid cycle is true except
A) Oxidation by transfer of electrons to coenzymes occurs at two steps. B) Decarboxylation to release CO2 occurs at two steps. C) Substrate-level phosphorylation generates ATP/GTP at one step. D) Acetate enters the citric acid cycle and joins a four-carbon acceptor molecule to form citrate. E) The cycle involves the ordered activity of eight enzymes.
Which of the following is not a property of carbon?
a. Carbon-to-carbon bonds are limited to single bonds. b. Carbon has four valence electrons. c. Carbon can form bonds to various other atoms. d. Two carbon atoms can share three electron pairs with each other. e. Carbon-to-carbon bonds are strong.