Why Are Higher Temperatures Necessary for Fusion of Helium Nuclei

question 22

Multiple Choice

Why are higher temperatures necessary for fusion of helium nuclei than for hydrogen nuclei?

• A)Helium is chemically inert.
• B)Helium nuclei are heavier than hydrogen nuclei.
• C)The positive charges on helium nuclei are greater than those on the hydrogen nuclei.
• D)Because E = mc² and helium nuclei are heavier than hydrogen nuclei.
• E)The boiling point of helium is higher than that of hydrogen.

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Definitions:

Depolarization

The reduction of a cell's membrane potential, making the interior less negative compared to the outside, often a precursor to nerve impulse transmission.

G Protein

A type of protein that acts as a molecular switch inside cells, involved in transmitting signals from outside the cell to its interior.

Amino Acids

Amino acids are organic compounds that combine to form proteins, serving as the building blocks of life.

Auditory Ossicles

Three small bones in the middle ear known as the malleus, incus, and stapes, which transmit sound vibrations from the eardrum to the inner ear.