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Ch 6 & 7 homework
Ch 6
1. Where does glycolysis occur in a eukaryotic cell? Where do the reactions of the citric acid
cycle occur in eukaryotic cells?
2. Oxidation is the ________, and reduction is the ________.
A) gain of electrons . . . loss of electrons
B) loss of electrons . . . gain of electrons
C) loss of oxygen . . . gain of oxygen
D) gain of oxygen . . . loss of oxygen
E) gain of protons . . . loss of protons
3. What are the start and end products of glycolysis? How many net ATP and NADH are
generated?
4. In the electron transport chain, the final electron acceptor is a molecule of ___________
5. Which stage of cellular respiration yields the greatest amount of ATP?
6. Explain how an electron transport chain works
7. What are facultative and obligate anaerobes?
8. Outline the Kreb Cycle
9. Outline Glycolysis
10. What is the net output, in terms of ATP, NADH and FADH2, for each of the three pathways in
cellular respiration?
Ch 7
1. In most green plants, chloroplasts are
A) concentrated in a zone of leaf tissue called the mesophyll.
B) concentrated in the stomata.
C) concentrated in a portion of the leaf called the stroma.
D) found throughout the leaf tissue.
E) found throughout the plant.
2. The light reactions occur in the ________, while the Calvin cycle occurs in the ________.
A) stroma . . . thylakoid membranes
B) stroma . . . nucleus
C) cytoplasm . . . stroma
D) cytoplasm . . . thylakoid membrane
E) thylakoid membranes . . . stroma
3. Outline the component parts of the chloroplast. Where do the photosystems reside?
Where is the Calvin cycle located?
4. What are CAM and C4 plants? How are they adapted to their environment (i.e. how is
their process of photosynthesis different from that of a regular plant)?
5. Outline how light reactions work. Be sure to include input and outputs as well as what is
happening. (2 points)
6. Outline the calvin cycle. Be sure to include inputs and outputs and intermediates. (2
points)
7. CO2 enters and O2 escapes from a leaf via
A) stomata.
B) thylakoids.
C) grana.
D) stroma.
E) central vacuoles.
8. The most important role of pigments in photosynthesis is to _____.
a. Capture light
b. Screen out harmful UV rays
c. store energy in glucose molecules
d. release energy from glucose molecules
e. store energy in ATP