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#1. Yucca (cassava) is a chemical form of sun’s energy in plant.
True or False?

#2. Leaves in plants act like solar panel to harness the sun’s energy and for cellular respiration
True or False?

Please help and explain! Thank you !

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Tod Thiel
Tod ThielLv2
28 Sep 2019

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Chlorophyll is a pigment that absorbs specific wavelengths of light, and the absorption of that light leads to the passage of electrons to a higher energy state, where chemical energy can then be harvested from them. You would expect that a plant exposed to which color of light would produce the most photosynthesis?

green
orange
yellow
blue

Which color of light would you expect chlorophyll to absorb the least?

green
red
yellow
blue

Most plants are green because....

chlorophyll absorbs green light well
chlorophyll does not absorb green light well
chlorophyll reflects green light well
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Thinking about the gases involved in respiration and photosynthesis, during the day, a plant is producing____ from respiration and releasing_____ from photosynthesis. But at night, a plant is only producing_______ from respiration.(spell your answers out completely).

Plants perform cellular respiration to produce.......

ATP
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sugar
oxygen

Which of the following is true about plants and cellular respiration?

plants perform cellular respiration only during the night
plants perform cellular respiration only during the day
plants perform cellular respiration during the night and day
plants do not perform cellular respiration

Which of the following is true regarding plants and photosynthesis?

plants perform photosynthesis only during the night
plants perform photosynthesis only during the day
plants perform photosynthesis during the night and day
plants do not perform photosynthesis

Is it possible for this plant to consistently do more cellular respiration than photosynthesis?

yes, plants use excess ATP for growth
yes, but only during winter months
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1.Aerobic cellular respiration: In the absence of oxygen – what processes stop? Why do they stop?

2. Do the reactions that are unique to fermentation itself (not the reactions of glycolysis that precede the fermentation-specific steps) provide the cell with additional useful high-energy molecules? Explain briefly. If you answered yes – how many high-energy molecules and what kind? If you answered no – then why does the cell do the fermentation step?

3. Do the cells in your body do fermentation? Explain.

4. When cells use fermentation instead of aerobic cellular respiration, is NAD+/NADH involved in this process? What happens to this molecule? Explain briefly.

5. Your body can harness energy from sources besides carbohydrates like glucose. Briefly explain how proteins and fats can be broken down and funneled into the reactions of cellular respiration.

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