The active site for carboxypeptidase
A) contains amino acids that are contiguous to one another along the primary sequence of the protein.
B) uses iron as the prosthetic group.
C) involves only 6 out of a total of 307 amino acids.
D) contains a glutamate residue at position 69.
E) is formed by the interaction of two polypeptide chains.
C) involves only 6 out of a total of 307 amino acids.
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Which of the following does NOT represent a chemical class of hormones?
A. carbohydrates B. amines C. peptides D. proteins E. steroids
Lactose, the sugar in milk, is a _______, because it can be split into two monosaccharides.
Fill in the blank(s) with the appropriate word(s).
Sustainable development will
A) require making difficult decisions regarding travel to other planets. B) require many people to contribute financially. C) speed up evolution. D) require global, multinational cooperation.
Complement fixation is a more sensitive test for the presence of specific antibodies than are agglutination tests.
Answer the following statement true (T) or false (F)