You Are Asked to Give a Classroom Demonstration of DNA

question 17

Multiple Choice

You are asked to give a classroom demonstration of DNA supercoiling.To do so,you take two different colored pieces of rubber tubing,twist them very tightly and excessively around each other and join the ends of the tubing appropriately.Next,you remove the supercoiling by breaking one strand and unwinding it.In this demonstration,the breaking and winding simulates the action of

• A)exonucleases.
• B)polymerases.
• C)helicases.
• D)topoisomerases.

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Definitions:

Common Connotations

The typical or culturally agreed upon associations and emotional implications that words or phrases carry beyond their literal meanings.

Colors

Visual properties perceived by the eyes and brain, often used to distinguish objects, convey messages, or evoke emotional responses.

Global Rainfall

The distribution and intensity of precipitation received across different regions of the world.

Dynamic Display

A dynamic display is an electronic visual display that can change its content and/or how the content is presented, often used in digital signage, computers, and televisions.