How many naturally occurring amino acids are used by ribosomes to construct proteins?
A) 46
B) 64
C) 3
D) 20
E) 10
D
Biology & Microbiology
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If a hypothetical protein is 25 amino acids long, how many nucleotides were there in the gene that
coded for this protein? A. 25 D. 100 B. 50 E. 150 C. 75
Biology & Microbiology
In a woman’s monthly cycle, the hormone _____ is released when estrogen reaches a peak
a. luteinizing hormone b. oxytocin c. progesterone d. testosterone e. human chorionic gonadotrophin
Biology & Microbiology
Destruction of which biome would result in the greatest loss of biodiversity?
A. grassland B. tropical rain forest C. desert D. taiga forest E. savanna
Biology & Microbiology
The glycosidic bonds in peptidoglycan are cleaved by
a. ampicillin. b. lysozyme. c. tetracycline. d. Proteinase K.
Biology & Microbiology