An Element __________

question 32

Multiple Choice

An element __________

• A) can be separated into its components by physical methods.
• B) may have different chemical properties depending on its source.
• C) can not be separated into simpler substances by chemical methods.
• D) can also be a compound.
• E) exists only as atoms and not as molecules.

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Definitions:

Dominant Genes

These are genes that are expressed over other genes, called recessive genes, in determining certain traits in an organism.

DNA

The molecule that carries genetic instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses.

Amines

Organic compounds and functional groups that contain a basic nitrogen atom with a lone pair.

Genetic Material

The molecules responsible for inheritance and the biological characteristics of organisms, primarily DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).