Which of the Following Is Correct

question 24

Multiple Choice

Which of the following is correct?

• A) During oxygenic photosynthesis, water is used as a source of electrons; during non- oxygenic photosynthesis, hydrogen sulfide is used as a source of electrons.
• B) During oxygenic photosynthesis, hydrogen sulfide is used as a source of electrons; during non- oxygenic photosynthesis, water is used as a source of electrons.
• C) During oxygenic photosynthesis, oxygen is used as a source of electrons; during non- oxygenic photosynthesis, hydrogen sulfide is used as a source of electrons.
• D) During oxygenic photosynthesis, oxygen is used as a source of electrons; during non- oxygenic photosynthesis, water is used as a source of electrons.

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Definitions:

Vasa Recta

A series of straight capillaries in the kidney that serve as counter-current exchangers, playing a key role in the concentration of urine.

Juxtaglomerular Apparatus

A structure in the kidney that helps regulate blood pressure by secreting renin in response to blood pressure changes.

Macula Densa Cells

Specialized cells located in the distal convoluted tubule of the kidney that help regulate blood pressure and filtration rate.

Juxtaglomerular Cells

Specialized cells in the kidney that help regulate blood pressure by secreting renin.