A naturally occurring, small, circle of DNA used as a vector to transmit DNA is a

A) plasmid.

B) prion.

C) lipofectin.

D) ring chromosome.


A) plasmid.

Biology & Microbiology

You might also like to view...

Which structure-function pair is mismatched?

A) nucleolus â€" production of ribosomal subunits B) lysosome â€" intracellular digestion C) ribosome â€" protein synthesis D) Golgi â€" protein trafficking E) microtubule â€" muscle contraction

Biology & Microbiology

Ctenophores exhibit:a

bilateral symmetry. b. spherical symmetry. c. linear symmetry. d. radial symmetry. e. circular symmetry.

Biology & Microbiology

Tetanus is:

A. a muscle contraction of sustained force. B. a contraction caused by a single action potential. C. an abnormal muscle contraction. D. a contraction where the muscle does not change length. E. a contraction that slowly increases in force.

Biology & Microbiology

Which phylum are sponges classified in?

a. Platyhelminthes b. Mollusca c. Nematoda d. Cnidaria e. Porifera

Biology & Microbiology