________ are used for cutting DNA molecules into fragments

A) Antisense RNAs
B) Mutagens
C) DNA polymerase and DNA ligase
D) Restriction enzymes
E) RNA polymerases


D

Biology & Microbiology

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Animals that sexually reproduce are ________ and produce __________ gametes

A. haploid; diploid B. diploid; haploid C. diploid; diploid D. haploid; haploid

Biology & Microbiology

Members of the lineage ____ are found primarily in marine environments. Called bristle worms, they

characteristically have parapodia.

a. Hirudinea b. Polychaeta c. Monogenoidea d. Cestoda e. Oligochaeta

Biology & Microbiology

In what phase of the cell cycle does an actively dividing cell produce the proteins necessary for mitosis?

a. G1 b. S c. G2 d. prophase e. G1 and G2

Biology & Microbiology

The plasma membrane is a thin sheet of lipid embedded with

A. sodium and potassium ions. B. carbohydrates. C. nucleotides. D. polymers. E. proteins.

Biology & Microbiology