Which amino acid contains sulfur atoms that form covalent disulfide bonds and stabilize the tertiary structure of some proteins?
A) valine
B) cysteine
C) serine
D) alanine
E) tyrosine
Correct Answer:
Verified
Q20: The electrons of an atom are
A)always equal
Q21: The purine bases in nucleic acids include
A)thymine
Q22: Which of the following would have glycosidic
Q23: Which of the following represents an exchange
Q24: All of the following are polysaccharides, except
A)dextran
Q26: ATP is best described as
A)an enzyme.
B)a double
Q27: Which is not true about enzymes?
A)Enzymes are
Q28: If carbon has an atomic number of
Q29: Which of the following is found in
Q30: C6H12O6 + C6H12O6 →C12H22O11 + H2O is
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