Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 5, Problem 8RQ
Which color(s) of light does chlorophyll a reflect?
a. red and blue
b. green
c. red
d. blue
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Approximately how much chlorophyll was present in the low-light plants after 24 hours?
A. about 200 micrograms/g
B. about 225 micrograms/g
C. about 300 micrograms/g
D. about 400 micrograms/g
Approximately how much chlorophyll was present in the moderate-light plants after 24 hours?
A. about 200 micrograms/g
B. about 225 micrograms/g
C. about 300 micrograms/g
D. about 400 micrograms/g
If a plant does not get adequate water why does it die? Apply knowledge of the light reactions.
Chapter 5 Solutions
Concepts of Biology
Ch. 5 - Figure 5.7 On a hot, dry day, plants close their...Ch. 5 - What two products result from photosynthesis? a....Ch. 5 - Which statement about thylakoids in eukaryotes is...Ch. 5 - From where does a heterotroph directly obtain its...Ch. 5 - What is the energy of a photon first used to do in...Ch. 5 - Which molecule absorbs the energy of a photon in...Ch. 5 - Plants produce oxygen when they photosynthesize....Ch. 5 - Which color(s) of light does chlorophyll a...Ch. 5 - Where in plant cells does the Calvin cycle take...Ch. 5 - Which statement correctly describes carbon...
Ch. 5 - What is the molecule that leaves the Calvin cycle...Ch. 5 - What is the overall purpose of the light reactions...Ch. 5 - Why are carnivores, such as lions, dependent on...Ch. 5 - Describe the pathway of energy in light-dependent...Ch. 5 - Which part of the Calvin cycle would be affected...Ch. 5 - Explain the reciprocal nature of the net chemical...
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- A plant with more chlorophyll pigment reflect the color: Red Orange Brown Greenarrow_forwardWhich substance is used to remove chlorophyll from a green leaves in the presence of sunlight to make food.arrow_forwardThe following essential oils are not phototoxic: Choose one answer. a. fig leaf absolute b. steam distilled citrus c. cold pressed citrus d. angelica rootarrow_forward
- Plants where light independent reactions take place in the same cells as light dependent reactions (mesophyll cells) are using which kind of photosynthesis? A. C3 only B. C4 only C. Either C3 or CAM D. Either C3 or C4arrow_forwardA plant has a unique photosynthetic pigment. The leaves of this plant appear to be blue-green. What wavelengths of visible light are not being absorbed by this pigment? A. red and yellow B. blue and green C. green and yellow D. blue, green, and red E. green, blue, and violetarrow_forwardWhich choice is most closely related to Acer rubrum? a.Rubrum acer b.Acer saccharum c.Quercus acer d.Quercus rubrumarrow_forward
- Photosynthesis takes place faster in: A. yellow light B. white light C. red light D. darknessarrow_forwardThe function of light reactions is to a. obtain CO2. b. make carbohydrate. c. convert light energy into a usable form of chemical energy. d. regenerate RuBParrow_forwardSelect the best answer describing the role of light in photosynthesis a.It is the source of respiration b.It is the source of carbon for the reaction c.It is the source of energy for the reaction d. all of thesearrow_forward
- Which of the following statements is incorrect?a. Pigments absorb light of certain wavelengths only.b. Some accessory pigments are antioxidants.c. Chlorophyll is green because it absorbs green light.arrow_forwardWhat is the role of methanol for extracting chlorophyll? a. absorbs water b. dissolves the nonpolar substance in mixture c. dissolves the polar substance in the mixture d. increases solubility of the polar component e. decreases solubility of the nonpolar componentarrow_forwardWhere in plant cells does the Calvin cycle take place? a. thylakoid membrane b. thylakoid space c. stroma d. granumarrow_forward
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