A Circular Molecule Has Two Sites for the Restriction Enzyme

question 13

Multiple Choice

A circular molecule has two sites for the restriction enzyme PstI and one site for the enzyme BamH1. How many fragments will result when digested with both enzymes?

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Open Ocean Waters

Regions of the ocean that are far from land, typically characterized by deep water, strong currents, and a wide range of marine biodiversity.

Coastal Zones

Regions where land meets the ocean or sea, characterized by distinct ecological and environmental attributes.

Osmoregulatory Organ

A part of an organism that regulates water and salt concentrations, maintaining homeostasis.

Kidney

The paired vertebrate organ important in excretion of metabolic wastes and in osmoregulation.