Down Syndrome

question 30

Multiple Choice

Down syndrome

• A) risk of occurring increases with the mother's age.
• B) affects boys more than girls.
• C) individuals rarely live past 5 years old.
• D) individuals have normal organ and bone development but are mentally impaired.
• E) disorder in related to a monosomy of chromosome 21.

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Definitions:

Catalysts

Substances that increase the rate of chemical reactions without being consumed in the process.

Enzymes

Biomolecules that substantially increase the pace of nearly all chemical processes happening within cellular structures.

Concentration

is the measure of the amount of a subcomponent (especially solute) in a solution.

Cyanide Compounds

Toxic chemicals that can inhibit cellular respiration by preventing cells from using oxygen, potentially leading to death.