The three-dimensional structure of a protein is determined primarily by:
A) electrostatic guidance from nucleic acid structure.
B) how many amino acids are in the protein.
C) hydrophobic interaction with lipids that provide a folding framework.
D) modification during interactions with ribosomes.
E) the sequence of amino acids in the protein.
Answer: E) the sequence of amino acids in the protein.
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A) production of cord factor B) pyrogenic toxin C) formation of tubercles D) the presence of LPS in the outer membrane E) the presence of mycolic acid in the cell wall
The statement, "The total amount of energy in the universe is constant," is a tenet of
A) the first law of thermodynamics. B) the second law of thermodynamics. C) thermodynamic spontaneity. D) entropy. E) enthalpy.
The most common urinary infection is
A. vulvovaginal candidiasis. B. toxic shock syndrome. C. bacterial cystitis. D. bacterial vaginosis.
Natural selection ________
A) works on populations, but its long-term effect is rendered on individuals B) works on individuals, but its long-term effect is rendered on populations C) can work only on populations of genetically identical individuals D) works regardless of the amount of genetic variability in populations