The formation of peptide bonds is catalyzed by which portion of the bacterial ribosome?
a. Proteins of the small subunit
b. 16S rRNA
c. Proteins of the large subunit
d. 23S rRNA
Ans: d. 23S rRNA
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When a muscle is stimulated prior to full relaxation of a previous contraction and the second stimulus is added to the first contraction, this phenomenon is referred to as ________
A) tetanus B) twitch C) fatigue D) summation
The child shown in the figure below is not feeling well. The poster says "No Antibiotics Please?" This is because his illness is caused by a virus.
a. true b. false
The rules of naming organisms are called
A. taxonomy. B. nomenclature. C. classification. D. binomials. E. identification.
The capacity of photosynthesis to convert ________ energy into ________ energy provides both a nutritional and an energy basis for all heterotrophic living things.
A) Atomic; chemical B) Solar; thermal C) Solar; chemical D) Chemical; atomic E) Chemical; solar