Based on the Interchangeability of the Nucleotide at the Third

question 19

Multiple Choice

Based on the interchangeability of the nucleotide at the third position,Francis Crick proposed that the same tRNA may be able to recognize more than one tRNA.What was his proposal called?

• A)the tRNA theory
• B)the wobble hypothesis
• C)the steric hindrance hypothesis
• D)the chemiosmotic hypothesis
• E)the endosymbiotic hypothesis

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Definitions:

Dendrites

The branched projections of a neuron that receive signals from other neurons and transmit them to the cell body.

Hindbrain

The lower part of the brainstem, comprising the cerebellum, pons, and medulla oblongata, responsible for regulating basic life functions.

Breathing

The process of taking air into the lungs and expelling it, essential for life and often focused on in meditation and stress-reduction techniques.

Heart Rate

The number of heartbeats per minute, an important measure of heart function and overall health.