Which Statement Describes the Functioning of Photosystem II

question 3

Multiple Choice

Which statement describes the functioning of photosystem II?

• A) Light energy excites electrons in the thylakoid membrane electron transport chain.
• B) Photons are passed along to a reaction-center chlorophyll.
• C) The P680 chlorophyll donates a pair of protons to NADP⁺, which is thus converted to NADPH.
• D) The electron vacancies in P680⁺ are filled by electrons derived from water.
• E) The splitting of water yields molecular carbon dioxide as a by-product.

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Definitions:

All-Cause Mortality

The total number of deaths due to any cause in a specific population, used as a measure of the general health of that population.

Heart Disease

A range of conditions affecting the heart, such as coronary artery disease, heart rhythm issues, and heart defects.

Isokinetic

Referring to a type of muscle contraction in which the muscle shortens at a constant rate, often used in physical therapy and exercise testing.

Isotonic

Describes a solution having the same osmotic pressure as some other solution, particularly that of a cell's cytoplasm, or refers to muscular contraction where muscle length changes while tension remains constant.