BIOLOGY EXAM 3 QUESTIONS AND
ANSWERS
Photosynthesis is most effective using what colors of light? - ANSWER-Red, Blue,
and violet
Which of the following best describes a photosystem - ANSWER-A collection of
pigments that transfer energy captured from light to a reaction center pigment.
What method of photosynthesis is believed to have evolved first in primitive
prokaryotes - ANSWER-Photosystem I
During the light-dependent phase of photosynthesis, ATP molecules are generated
by: - ANSWER-Both B and C: Photosystem I, and Photosystem II
The overall purpose of the Calvin cycle is to - ANSWER-Build organic (carbon)
molecules
Molecules that are good absorbers of light in the visible range are called - ANSWER-
Pigments
The light-dependent reactions of photosynthesis take place within - ANSWER-The
thylakoid membranes
Light consists of both wave energy and particles of energy known as - ANSWER-
Photons
In theory, a plant kept in total darkness could still manufacture glucose, if it were
supplied with which molecules? - ANSWER-CO2 and H2O
Which region of a chloroplast is associated with the capture of light energy? -
ANSWER-Thylakoid membranes
What is the general term used for organisms that use photosynthesis to produce
glucose? - ANSWER-Autotrophs
Binary fission in prokaryotes does not require the - ANSWER-Assembly of the
nuclear envelope
Chromatin is composed of - ANSWER-DNA and protein
The cell cycle is controlled by a series of enzymes that trigger (or stop) the cycle
from continuing. These enzymes are known as - ANSWER-Cyclin-dependent
kinases
The light-dependent reactions of photosynthesis are responsible for the production of
- ANSWER-ATP and NADPH
ANSWERS
Photosynthesis is most effective using what colors of light? - ANSWER-Red, Blue,
and violet
Which of the following best describes a photosystem - ANSWER-A collection of
pigments that transfer energy captured from light to a reaction center pigment.
What method of photosynthesis is believed to have evolved first in primitive
prokaryotes - ANSWER-Photosystem I
During the light-dependent phase of photosynthesis, ATP molecules are generated
by: - ANSWER-Both B and C: Photosystem I, and Photosystem II
The overall purpose of the Calvin cycle is to - ANSWER-Build organic (carbon)
molecules
Molecules that are good absorbers of light in the visible range are called - ANSWER-
Pigments
The light-dependent reactions of photosynthesis take place within - ANSWER-The
thylakoid membranes
Light consists of both wave energy and particles of energy known as - ANSWER-
Photons
In theory, a plant kept in total darkness could still manufacture glucose, if it were
supplied with which molecules? - ANSWER-CO2 and H2O
Which region of a chloroplast is associated with the capture of light energy? -
ANSWER-Thylakoid membranes
What is the general term used for organisms that use photosynthesis to produce
glucose? - ANSWER-Autotrophs
Binary fission in prokaryotes does not require the - ANSWER-Assembly of the
nuclear envelope
Chromatin is composed of - ANSWER-DNA and protein
The cell cycle is controlled by a series of enzymes that trigger (or stop) the cycle
from continuing. These enzymes are known as - ANSWER-Cyclin-dependent
kinases
The light-dependent reactions of photosynthesis are responsible for the production of
- ANSWER-ATP and NADPH
