Which amino acid(s) can be involved in special covalent "disulfide bridges" that, when present, help to
stabilize the tertiary and quaternary structure of proteins?
a. proline
b. alanine
c. leucine and isoleucine
d. cysteine
e. methionine
D
Biology & Microbiology
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One goal of pedigree analysis is to discover whether the gene in question is located on an X or a Y chromosome or on a(n) ____________________
Fill in the blank(s) with correct word
Biology & Microbiology
The names of the extraembryonic membranes are derived from their function in animals that produce shelled eggs.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Specialized islet cells that secrete hormones are
found scattered throughout the a. adrenal cortex. b. liver. c. thymus. d. adrenal medulla. e. pancreas.
Biology & Microbiology
Describe a difference between the RNA polymerases of eukaryotes and prokaryotes
What will be an ideal response?
Biology & Microbiology