ABS - Chapter 11
Photoheterotrophs are best described as organisms that obtain energy to make ATP - correct
answer from sunlight but cannot make organic compounds from CO2
Carbon dioxide generally enters the plant through pores called - correct answer Stomata
Part complete
The process by which photosynthetic organisms use light energy for ATP production is known as -
correct answer Photophosphorylation
The endosymbiotic theory states that mitochondria originated from - correct answer purple
bacteria entering and remaining in the cytoplasm of another cell.
All of the following are true regarding anoxygenic photosynthesis - correct answer - NADPH is
regenerated by photoreduction.
- Absorbed light energy is typically in the near ultraviolet and far-red ranges of the light spectrum.
- It is a light-driven oxidation-reduction process.
- Sulfide or thiosulfate can act as electron donors.
*Does not split a water molecule.
In a chloroplast, the stroma is the - correct answer Central semifluid region
Accessory pigments that can catch photons not caught by Chlorophyll - correct answer -
Phycocyanin
- A Phycobilin
- Lutein
- Beta-carotene
Which of the following initially traps solar energy in the process of photosynthesis? - correct
answer Chlorophyll
, NADPH contains the pentose sugar ________ and the nitrogenous base ______ - correct answer
Ribose, Adenine
NADP+ is the coenzyme of choice in ________ reactions, while NAD+ is the coenzyme of choice in
________ reactions. - correct answer anabolic; catabolic
Which of the following statements correctly characterizes the relationship between NADP+/NADPH
and NAD+/NADH? - correct answer NADP+/NADPH has an extra phosphate compared to
NAD+/NADH.
The relationship between photosystem I (PSI) and photosystem II (PSII) is correctly described by
which of the following statements? - correct answer PSI is designated P700, whereas PSII is
designated P680.
Plastocyanin (PC) - correct answer is a mobile electron carrier and carries only a single electron at a
time.
Plastoquinol transfers electrons from - correct answer photosystem II to photosystem I.
The ATP synthase complex in the thylakoid membrane - correct answer performs
photophosphorylation in oxygenic phototrophs.
Which of the following is not an essential feature of electron transfer from water to NADP+? -
correct answer Coenzyme Q
Essential features:
Cytochrome b6/f complex.
PSI.
PSII.
plastocyanin (PC).
The transfer of energy from a photoexcited electron to another electron of an adjacent pigment
molecule is known as - correct answer Resonance energy transfer
Photoheterotrophs are best described as organisms that obtain energy to make ATP - correct
answer from sunlight but cannot make organic compounds from CO2
Carbon dioxide generally enters the plant through pores called - correct answer Stomata
Part complete
The process by which photosynthetic organisms use light energy for ATP production is known as -
correct answer Photophosphorylation
The endosymbiotic theory states that mitochondria originated from - correct answer purple
bacteria entering and remaining in the cytoplasm of another cell.
All of the following are true regarding anoxygenic photosynthesis - correct answer - NADPH is
regenerated by photoreduction.
- Absorbed light energy is typically in the near ultraviolet and far-red ranges of the light spectrum.
- It is a light-driven oxidation-reduction process.
- Sulfide or thiosulfate can act as electron donors.
*Does not split a water molecule.
In a chloroplast, the stroma is the - correct answer Central semifluid region
Accessory pigments that can catch photons not caught by Chlorophyll - correct answer -
Phycocyanin
- A Phycobilin
- Lutein
- Beta-carotene
Which of the following initially traps solar energy in the process of photosynthesis? - correct
answer Chlorophyll
, NADPH contains the pentose sugar ________ and the nitrogenous base ______ - correct answer
Ribose, Adenine
NADP+ is the coenzyme of choice in ________ reactions, while NAD+ is the coenzyme of choice in
________ reactions. - correct answer anabolic; catabolic
Which of the following statements correctly characterizes the relationship between NADP+/NADPH
and NAD+/NADH? - correct answer NADP+/NADPH has an extra phosphate compared to
NAD+/NADH.
The relationship between photosystem I (PSI) and photosystem II (PSII) is correctly described by
which of the following statements? - correct answer PSI is designated P700, whereas PSII is
designated P680.
Plastocyanin (PC) - correct answer is a mobile electron carrier and carries only a single electron at a
time.
Plastoquinol transfers electrons from - correct answer photosystem II to photosystem I.
The ATP synthase complex in the thylakoid membrane - correct answer performs
photophosphorylation in oxygenic phototrophs.
Which of the following is not an essential feature of electron transfer from water to NADP+? -
correct answer Coenzyme Q
Essential features:
Cytochrome b6/f complex.
PSI.
PSII.
plastocyanin (PC).
The transfer of energy from a photoexcited electron to another electron of an adjacent pigment
molecule is known as - correct answer Resonance energy transfer
