When a Substance Decays by Beta Emission,the Mass Number of the Nucleus

question 63

Multiple Choice

When a substance decays by beta emission,the mass number of the nucleus ________ and the atomic number ________.

• A)decreases by 1,remains the same
• B)increases by 1,remains the same
• C)remains the same,decreases by 1
• D)remains the same,increases by 1

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Definitions:

Codon

A sequence of three nucleotides in messenger RNA that specifies the addition of a particular amino acid in the synthesis of proteins.

Amino Acid

Organic compounds that serve as the building blocks of proteins, containing both an amino group and a carboxyl group.

Codon

A sequence of three nucleotides in mRNA that specifies the addition of a specific amino acid or the termination of translation.

Arginine

An essential amino acid that plays a pivotal role in protein synthesis and multiple metabolic processes.