What Is the Difference Between Speed and Velocity

question 7

Multiple Choice

What is the difference between speed and velocity?

• A)Speed is the magnitude of velocity; velocity is a vector and has both magnitude and direction.
• B)There is no difference.
• C)Speed is the rate at which something moves, while velocity is the direction in which it moves.
• D)Speed is used when describing motion in one dimension, while velocity is used when describing motion in two dimensions.
• E)Speed is the rate at which velocity changes.

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Definitions:

Ribosome

Complex molecular machines in cells that synthesize proteins by translating messenger RNA into amino acid sequences.

Binding Sites

Specific regions on molecules (e.g., enzymes, receptors) where other molecules (e.g., substrates, ligands) can attach or bind.

tRNAs

Small RNA molecules that transport amino acids to the ribosome during protein synthesis according to the sequence of a messenger RNA (mRNA) transcript.

RNA Polymerase

An enzyme that catalyzes the synthesis of RNA from a DNA template.