Which of the Following Is True

question 75

Multiple Choice

Which of the following is true?

• A)In adulthood,nearly all individuals with Down syndrome develop amyloid plaques and neurofibrillary tangles.
• B)In adulthood,nearly all individuals with Down syndrome develop cognitive impairments similar to those seen in Alzheimer's patients.
• C)The APOE gene has been implicated in both Down syndrome and Alzheimer's disease.
• D)The PS1 gene has been implicated in both Down syndrome and Alzheimer's disease.

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Definitions:

Free Radicals

Highly reactive molecules with unpaired electrons that can cause cell damage, implicated in aging and various diseases.

Ions

Atoms or molecules that have gained or lost one or more electrons, resulting in a net electric charge.

Radioisotopes

Isotopes of an element that are radioactive; they can be used in scientific research, medicine, and industry.

Biological Molecules

Complex molecules made from chains of organic compounds found within living organisms, including proteins, lipids, carbohydrates, and nucleic acids.