Respiration Is the Taking in of Air and the Expelling

question 66

Multiple Choice

Respiration is the taking in of air and the expelling of

• A) carbon dioxide.
• B) nitrous oxide.
• C) oxygen.
• D) None of the choices are correct.

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Definitions:

Dominate Genes

Genetic traits that are expressed in an organism's phenotype, overriding the expression of recessive genes when both are present.

DNA Molecules

The carriers of genetic information in living organisms and viruses, composed of two long strands forming a double helix, containing genes encoded by the sequences of nucleotides.

Chromosomes

Threadlike structures made of DNA molecules that contain the genes, found in the nucleus of most living cells, carrying genetic information in the form of genes.

Genes

Units of heredity made up of DNA that encode the instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses.