AP Biology MCQ Practice Exam #1 Questions and Answers | 100% Pass
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AP Biology
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AP Biology
AP Biology MCQ Practice Exam #1
Questions and Answers | 100% Pass
Humans produce sweat as a cooling mechanism to maintain a stable internal
temperature. Which of the following best expalins how the properties of water contribute
to this physiological process? - Answer️️ -The high heat of va...
AP Biology MCQ Practice Exam #1
Questions and Answers | 100% Pass
Humans produce sweat as a cooling mechanism to maintain a stable internal
temperature. Which of the following best expalins how the properties of water contribute
to this physiological process? - Answer✔️✔️-The high heat of vaporization of water allows
the body to remove excess heat through a phase change of water from liquid to gas.
A student placed a semipermeable membrane inside a U-shaped channel with two
chambers. Membrane permits the movement of water but not salt. The student wants to
vary the rate of osmosis that occurs across the membrane. Which experimental design
will result in the fastest net rate of water movement into chamber A? - Answer✔️✔️-
Placing salt in chamber A and distilled water in chamber B.
What best describes the role of water in photosynthesis? - Answer✔️✔️-Water molecules
donate electrons to the electron transport chain.
What evolutionary advantage does compartmentalization of core metabolic processes
offer eukaryotes? - Answer✔️✔️-Evolution of a nucleus in eukaryotes separates the
processes of transcription and translation and they can be regulated separately.
Pyruvate dehydrogenase is an enzyme that converts pyruvate to acetyl-CoA. Acetyl-
CoA is further metabolized in the Krebs cycle. A researcher measured the accumulation
of acetyl-CoA in a reaction containing pyruvate and pyruvate dehydrogenase under
several different conditions
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