The Nucleus of an Atom

question 31

Multiple Choice

The nucleus of an atom

• A) contains neutrons and electrons
• B) has no charge because of the presence of neutrons
• C) repels the negatively charged electrons in an atom
• D) does not account for a large amount of the total volume of an atom

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Definitions:

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in growth, development, functioning, and reproduction of all known living organisms.

Diploid Cells

Diploid cells contain two complete sets of chromosomes, one from each parent, forming the genetic foundation of most eukaryotic organisms.

Chromosomes

Threadlike structures located in the nucleus of cells, made of DNA and proteins, and carry genetic information.

Sperm

Sperm are male reproductive cells or gametes in sexually reproducing organisms that carry genetic information to the ovum.