Which One of the Following Statements Is Not Correct

question 76

Multiple Choice

Which one of the following statements is not correct?

• A) Oxygen-15 is unstable because it has too few neutrons.
• B) Nucleons are held together in a nuclide by the electromagnetic force.
• C) All nuclides with Z > 83 decay into more stable nuclides with smaller Z values.
• D) As the atomic number increases, the ratio of neutrons to protons in a nuclide increases.
• E) Generally, the number of neutrons in a nuclide equals the number of protons, or nearly so, when the atomic number is small, i.e., Z < 18.

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Definitions:

Alternative RNA Splicing

A post-transcriptional process in which exons or introns are selectively included in or excluded from a final mRNA transcript, thus allowing a single gene to code for multiple proteins.

Acetyl Groups

Functional groups in organic chemistry that consist of a methyl group single-bonded to a carbonyl. The formula is CH3CO-.

Methyl Groups

Chemical groups consisting of one carbon atom bonded to three hydrogen atoms, often involved in modifying DNA or proteins in cells.