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Chapter 8: Q. 4 (page 223)

Which of the following components is not used by both plants and cyanobacteria to carry out photosynthesis?

a. chloroplasts

b. chlorophyll

c. carbon dioxide

d. water

Short Answer

Expert verified

Chloroplast is not used for both plants and cyanobacteria to carry out photosynthesis.

Step by step solution

01

Explanation of photosynthesis

Photosynthesis is the process of creation of food utilizing carbon dioxide and water in the presence of sunshine and chlorophyll.

02

Explanation for correct answer

Plants and cyanobacteria do not utilise the chloroplast as a component.

In eukaryotes, photosynthesis takes place in the chloroplast, but in prokaryotes, such as cyanobacteria, it takes place in the membrane and cytoplasm.

03

Explanation for incorrect answer

Chlorophyll is a photosynthetic pigment found embedded in the thylakoid membrane of chloroplasts, where it absorbs light and initiates photosynthesis reactions.

In both cases, carbon dioxide is used as a reactant in the photosynthetic process.

Photolysis of water provides electrons for the continuation of photosynthesis.

Plants and cyanobacteria employ chlorophyll, carbon dioxide, and water during photosynthesis.

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Most popular questions from this chapter

How does the closing of the stomata limit photosynthesis?
Why are carnivores, such as lions, dependent on photosynthesis to survive?

Predict the end result if a chloroplast’s light-independent enzymes developed a mutation that prevented them from activating in response to light. a. G3P accumulation b. ATP and NADPH accumulation c. Water accumulation d. Carbon dioxide depletion

Figure 8.18Which of the following statements is true?

a. In photosynthesis, oxygen, carbon dioxide, ATP, and NADPH are reactants. G3Pand water are products.

b. In photosynthesis, chlorophyll, water, and carbon dioxide are reactants. G3Pand oxygen are products.

c. In photosynthesis, water, carbon dioxide, ATP, and NADPH are reactants. RuBP and oxygen are products.

d. In photosynthesis, water and carbon dioxide are reactants.G3Pand oxygen are products.

How are the NADPH and G3P molecules made during photosynthesis similar? a. They are both end products of photosynthesis. b. They are both substrates for photosynthesis. c. They are both produced from carbon dioxide. d. They both store energy in chemical bonds.
See all solutions

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