Give the Number of Protons (P), Neutrons (N), and Electrons

question 133

Multiple Choice

Give the number of protons (p) , neutrons (n) , and electrons E) in one atom of ²³⁸U.

• A) 146 p, 92 n, 92 e
• B) 92 p, 92 n, 92 e
• C) 92 p, 146 n, 92e
• D) 146 p, 28 n, 146 e
• E) 238 p, 146 n, 238 e

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Definitions:

Epigenetics

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences; the Greek prefix epi- means “on top of” or “in addition to.”

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often a protein.

DNA Base Sequences

The order of nucleotide bases (adenine, thymine, cytosine, and guanine) in a DNA molecule that determines genetic information.

Gene Frequencies

The ratio of a particular allele to the total of all other alleles of the same gene in a given population.