Extracts of pathogenic bacteria can transform

harmless bacteria to harmful bacteria unless
____ enzymes are added to the extract.
a. protein-digesting
b. mRNA-digesting
c. tRNA-digesting
d. DNA-digesting
e. any of these


D

Biology & Microbiology

You might also like to view...

Describe the colonial theory of animal origins

What will be an ideal response?

Biology & Microbiology

Which of the following statements is false?

A) There are more than 60 different kinds of amino acids present in cells. B) The R group of amino acids differs from one amino acid to another. C) Only around 20 amino acids are used in protein synthesis. D) Equal amounts of D- and L-amino acids are found in cells. E) An amino acid has an N-terminus, a C-terminus, and an R group.

Biology & Microbiology

Why is the Citric Acid cycle called a cycle?

a. Glucose is cycled around and resynthesized. b. Carbon dioxide is cycled back to photosynthesis. c. NAD+ and FAD are recycled. d. The two-carbon acetic acid binds to a four-carbon molecule that is restored at the end of the cycle to be used again in the Citric Acid cycle. e. NADH is cycled down the electron transport chain.

Biology & Microbiology

Which is mismatched?

A. Scavengers - feed on live to dead cells and wastes B. Competition - one organism gives off substances that inhibit or kill other organisms C. Predator - seeks out and ingests live prey D. Parasitism - one organism benefits and the other receives no benefit E. Omnivores - feed on plants and flesh

Biology & Microbiology