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Unit 3 AP Bio Test 2025/2026 Exam
Questions and Answers 100%
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What does the chemiosmotic process in chloroplasts involve? - 🧠 ANSWER ✔✔A)
establishment of a proton gradient
In glycolysis, for each molecule of glucose oxidized to pyruvate - 🧠 ANSWER
✔✔B) 2 molecules of ATP are used and 4 molecules of ATP are produced.
In chemiosmotic phosphorylation, what is the most direct source of energy that is
used to convert ADP + Pi to ATP? - 🧠 ANSWER ✔✔D) energy released from
movement of protons through ATP synthase
Which statement describes the functioning of photosystem II? - 🧠 ANSWER
✔✔D) The electron vacancies in P680 are filled by electrons derived from water.
The primary role of oxygen in cellular respiration is to - 🧠 ANSWER ✔✔B) act as
an acceptor for electrons and hydrogen, forming water.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, A+
During aerobic respiration, which of the following directly donates electrons to the
electron transport chain at the lowest energy level? - 🧠 ANSWER ✔✔E) FADH2
Which of the following is likely to lead to an increase in the concentration of ATP
in a cell? - 🧠 ANSWER ✔✔B) an increase in a cell's catabolic activity
What wavelength of light in the figure is most effective in driving photosynthesis?
- 🧠 ANSWER ✔✔A) 420 mm
Figure 10.1 shows the absorption spectrum for chlorophyll a and the action
spectrum for
photosynthesis. Why are they different? - 🧠 ANSWER ✔✔D) Other pigments
absorb light in addition to chlorophyll a.
The oxygen consumed during cellular respiration is involved directly in which
process or event? - 🧠 ANSWER ✔✔B) accepting electrons at the end of the
electron transport chain
In a plant cell, where are the ATP synthase complexes located? - 🧠 ANSWER
✔✔D) A and C....thylakoid membrane & plasma membrane
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Unit 3 AP Bio Test 2025/2026 Exam
Questions and Answers 100%
Guaranteed Success | Already Rated A+
What does the chemiosmotic process in chloroplasts involve? - 🧠 ANSWER ✔✔A)
establishment of a proton gradient
In glycolysis, for each molecule of glucose oxidized to pyruvate - 🧠 ANSWER
✔✔B) 2 molecules of ATP are used and 4 molecules of ATP are produced.
In chemiosmotic phosphorylation, what is the most direct source of energy that is
used to convert ADP + Pi to ATP? - 🧠 ANSWER ✔✔D) energy released from
movement of protons through ATP synthase
Which statement describes the functioning of photosystem II? - 🧠 ANSWER
✔✔D) The electron vacancies in P680 are filled by electrons derived from water.
The primary role of oxygen in cellular respiration is to - 🧠 ANSWER ✔✔B) act as
an acceptor for electrons and hydrogen, forming water.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, A+
During aerobic respiration, which of the following directly donates electrons to the
electron transport chain at the lowest energy level? - 🧠 ANSWER ✔✔E) FADH2
Which of the following is likely to lead to an increase in the concentration of ATP
in a cell? - 🧠 ANSWER ✔✔B) an increase in a cell's catabolic activity
What wavelength of light in the figure is most effective in driving photosynthesis?
- 🧠 ANSWER ✔✔A) 420 mm
Figure 10.1 shows the absorption spectrum for chlorophyll a and the action
spectrum for
photosynthesis. Why are they different? - 🧠 ANSWER ✔✔D) Other pigments
absorb light in addition to chlorophyll a.
The oxygen consumed during cellular respiration is involved directly in which
process or event? - 🧠 ANSWER ✔✔B) accepting electrons at the end of the
electron transport chain
In a plant cell, where are the ATP synthase complexes located? - 🧠 ANSWER
✔✔D) A and C....thylakoid membrane & plasma membrane
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
