If a Nucleus Decays by β^- decay to a Daughter

question 50

Multiple Choice

If a nucleus decays by β^- decay to a daughter nucleus,which of the following statements about this decay are correct? (There may be more than one correct choice.)

• A) The daughter nucleus has more protons than the original nucleus.
• B) The daughter nucleus has more neutrons than the original nucleus.
• C) The daughter nucleus has the same number of nucleons as the original nucleus.
• D) The daughter nucleus has fewer protons than the original nucleus.
• E) The daughter nucleus has fewer neutrons than the original nucleus.

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Definitions:

Enzyme

Enzyme is a protein that acts as a biological catalyst, speeding up chemical reactions in living organisms without being consumed in the process.

Haploid

Referring to a cell or organism that contains a single set of unpaired chromosomes, as opposed to the diploid state which has paired chromosomes.

Homologous Chromosome

Chromosomes that are paired during meiosis, having the same genes at the same loci but possibly different alleles.

Metabolic Pathway

A series of chemical reactions in which the product of one reaction becomes the substrate of the next reaction.