Which class of RNA is required for DNA transcription?
A) mRNA
B) tRNA
C) rRNA
D) all of the choices
Answer: A) mRNA
Biology & Microbiology
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Why does allopatric speciation occur?
a. because adaptive radiation has occurred b. because gene flow has occurred c. because mutations have occurred d. because geographic isolation has occurred
Biology & Microbiology
Alcohol dehydrogenase converts ethanol to
a. acetaldehyde. b. acetate. c. carbon dioxide. d. acetate and acetaldehyde. e. acetate and carbon dioxide.
Biology & Microbiology
What molecule can oxidize NADH?
A. ubiquinone B. acetaldehyde C. lactate D. isocitrate E. glucose
Biology & Microbiology
Please select the methods that can be used to visualize or detect antigen-antibody reactions.
> Disk diffusion tests > Agglutination/precipitation tests > Kirby-Bauer susceptibility tests > Culture tests > ELISA > Western Blot analysis
Biology & Microbiology