At Night, Assuming No Artificial Lights, Primarily ____

question 84

Multiple Choice

At night, assuming no artificial lights, primarily ____.

• A) P_rabsorbs red light and is converted to P_fr
• B) P_rabsorbs far-red light and is converted to P_fr
• C) P_frabsorbs red light and is converted to P_r
• D) P_frabsorbs far-red light and is converted to P_r
• E) P_fris converted to P_r

---

Definitions:

Early-Onset Alzheimer's

a form of Alzheimer's disease that appears at a younger age, typically before the age of 65.

Environmental Factors

External elements, including biological, physical, and socio-cultural factors, that can influence an individual's health and behavior.

Neurofibrillary Tangles

Abnormal accumulations of a protein called tau in the brain, associated with various neurodegenerative diseases.

Senile Plaques

Deposits found in the brain that are indicators of Alzheimer's disease, consisting of beta-amyloid protein and other substances.