IAG_8.docx IAG_8.docx IAG_8.docx
OpenStax Biology 2e Instructor Answer Guide
Biology 2e
Unit 2: The Cell
Chapter 8: Photosynthesis
Visual Connection Questions
1. On a hot, dry day, the guard cells of plants close their stomata to conserve water. What
impact will this have on photosynthesis?
Levels of carbon dioxide (a necessary photosynthetic substrate) will immediately fall. As a
result, the rate of photosynthesis will be inhibited.
2. What is the initial source of electrons for the chloroplast electron transport chain?
a. Water
IAG_8.docx IAG_8.docx IAG_8.docx
, IAG_8.docx IAG_8.docx IAG_8.docx
OpenStax Biology 2e Instructor Answer Guide
3. Which of the following statements is true?
d. In photosynthesis, water and carbon dioxide are reactants. G3P and oxygen are products.
Review Questions
4. Which of the following components is not used by both plants and cyanobacteria to carry out
photosynthesis?
a. chloroplasts
5. What two main products result from photosynthesis?
c. sugars/carbohydrates and oxygen
6. In which compartment of the plant cell do the light-independent reactions of photosynthesis
take place?
b. stroma
7. Which statement about thylakoids in eukaryotes is not correct?
b. Thylakoids exist as a maze of folded membranes.
8. Predict the end result if a chloroplast’s light-independent enzymes developed a mutation
that prevented them from activating in response to light.
b. ATP and NADPH accumulation
9. How are the NADPH and GA3P molecules made during photosynthesis similar?
d. They both store energy in chemical bonds.
IAG_8.docx IAG_8.docx IAG_8.docx
OpenStax Biology 2e Instructor Answer Guide
Biology 2e
Unit 2: The Cell
Chapter 8: Photosynthesis
Visual Connection Questions
1. On a hot, dry day, the guard cells of plants close their stomata to conserve water. What
impact will this have on photosynthesis?
Levels of carbon dioxide (a necessary photosynthetic substrate) will immediately fall. As a
result, the rate of photosynthesis will be inhibited.
2. What is the initial source of electrons for the chloroplast electron transport chain?
a. Water
IAG_8.docx IAG_8.docx IAG_8.docx
, IAG_8.docx IAG_8.docx IAG_8.docx
OpenStax Biology 2e Instructor Answer Guide
3. Which of the following statements is true?
d. In photosynthesis, water and carbon dioxide are reactants. G3P and oxygen are products.
Review Questions
4. Which of the following components is not used by both plants and cyanobacteria to carry out
photosynthesis?
a. chloroplasts
5. What two main products result from photosynthesis?
c. sugars/carbohydrates and oxygen
6. In which compartment of the plant cell do the light-independent reactions of photosynthesis
take place?
b. stroma
7. Which statement about thylakoids in eukaryotes is not correct?
b. Thylakoids exist as a maze of folded membranes.
8. Predict the end result if a chloroplast’s light-independent enzymes developed a mutation
that prevented them from activating in response to light.
b. ATP and NADPH accumulation
9. How are the NADPH and GA3P molecules made during photosynthesis similar?
d. They both store energy in chemical bonds.
IAG_8.docx IAG_8.docx IAG_8.docx
