Which of the following is NOT an essential amino acid?
a. isoleucine
b. threonine
c. phenylalanine
d. lysine
e. glutamic acid
E
Biology & Microbiology
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The greatest cause of extinction of species is
a. runoff. b. habitat loss. c. invasive species. d. evapotranspiration.
Biology & Microbiology
The profundal zone is indicated by
a. A. b. B. c. C. d. D. e. none of these.
Biology & Microbiology
The largest number of ATP molecules is produced in which phase of cellular respiration?
A. electron transport chain B. Calvin cycle C. citric acid cycle D. preparation reaction E. glycolysis
Biology & Microbiology
Gametes produced by inversion heterozygotes can produce no viable recombinant chromosomes due to what phenomenon?
What will be an ideal response?
Biology & Microbiology