________ mutations affect only a single base pair in a gene.

Fill in the blank(s) with the appropriate word(s).


Point

Biology & Microbiology

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When studying ecosystems, ecologists sometimes choose to partition a part of a natural ecosystem to study. What is this called?

a. microcosm b. annexation c. mesocosm d. truncation

Biology & Microbiology

Some of the drugs used in chemotherapy work by

A. inhibiting cytokinesis. B. producing kinases. C. preventing spindle formation. D. increasing telomeres. E. causing cells to divide quickly.

Biology & Microbiology

Which of the following triggers the cell's passage past the G2 checkpoint into mitosis?

A) PDGF B) MPF C) cyclin D) Cdk

Biology & Microbiology

How many amino acids are common to all living systems?

A) 10 B) 20 C) 30 D) 100

Biology & Microbiology