Which of the following is a characteristic shared by DNA and RNA polymerases?

A) efficiency of proofreading
B) type of nucleotides used
C) direction of polymerization
D) speed
E) dependence on helicase


C

Biology & Microbiology

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For diffusion to occur ____ is necessary. 

A. a concentration gradient B. a differentially permeable membrane C. temperature above 0°C D. a carrier molecule

Biology & Microbiology

Silent copies of genes that have been inactivated by mutations are called

A. exons. B. clones. C. introns. D. pseudogenes.

Biology & Microbiology

The infectious agent for Creutzfeld-Jakob disease is a _____.

A) protein B) fungus C) bacterium D) virus

Biology & Microbiology

In the Triple Sugar Iron Agar, the three sugars are

A. Glucose, Galactose, Lactose B. Glucose, Sucrose, Mannose C. Glucose, Fructose, Sucrose D. Glucose, Galactose, Sucrose E. Glucose, Lactose, Sucrose

Biology & Microbiology