The two strands of the double-helix structure of DNA are held together by __________ bonds between complementary bases in each strand.
ionic
hydrogen
peptide
covalent
hydrogen
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The action that the quadriceps femoris muscle performs on the lower leg is ____________________.
Fill in the blank(s) with the appropriate word(s).
The genetic code is
A. the correspondence between a specific amino acid and a specific gene. B. the correspondence between a DNA nucleotide and an RNA nucleotide. C. the correspondence between a gene and a genome. D. the correspondence between a sequence of three DNA nucleotides and a specific amino acid.
Cortisol is useful in controlling inflammation reactions because it
A) destabilizes lysosomal membranes. B) decreases blood flow. C) decreases the permeability of capillaries. D) increases synthesis of prostaglandins.
Anemic hypoxia is a reduced O2-carrying capacity of the blood
a. True b. False Indicate whether the statement is true or false