The Two Molecules That Alternate to Form the Backbone of a Polynucleotide

question 40

Multiple Choice

The two molecules that alternate to form the backbone of a polynucleotide chain are

• A) adenine and thymine.
• B) cytosine and guanine.
• C) sugar and phosphate.
• D) base and sugar.
• E) base and phosphate.

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Definitions:

Sensory Memory

The shortest-term element of memory, it allows the ability to retain impressions of sensory information after the original stimuli have ended.

Chunking

Chunking is a cognitive strategy for organizing information into manageable units or chunks, making it easier to process and remember.

7 Plus or Minus 2 Rule

A cognitive principle suggesting that the average person can hold 5 to 9 items in their working memory.

Quickly Scanning

Quickly scanning refers to rapidly reviewing or looking over material to grasp the main ideas or locate specific information.