What enzyme catalyzes the attachment of amino acids to tRNA molecules?
A. aminoacyl-tRNA synthetase
B. helicase
C. translation factor
D. topoisomerase
E. ribosome
Answer: A
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Which process takes place in the cytoplasm?
a. DNA replication b. transcription c. duplication d. translation e. transition
Vessel elements differ from tracheids differ in that vessel elements contain pits
____________________ Indicate whether the statement is true or false.
Which statement is false concerning carbohydrate fermentation media?
A. Positive carb fermentation is indicated by acid production B. Gas production occurs when a bubble forms in the inner tube C. Negative carb fermentation is indicated by acid production D. They can distinguish both carb fermentation and gas production
Which of the following are inorganic molecules that bind to enzymes?
A) apoenzymes B) coenzymes C) cofactors D) holoenzymes