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
If a plant does not get adequate water why does it die? Apply knowledge of the light reactions.
Which substance is used to remove chlorophyll from a green leaves in the presence of sunlight to make food.
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_forwardBixa orellana (atsuete) is used in cooking as a natural food coloring. Which of the conditions will allow faster rates of extraction of its pigments? A. Oil in lower temperature B. Oil in higher temperature C. Water in lower temperature D. Water in high temperature B and D A only B only ABCDarrow_forwardApproximately 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/garrow_forward
- A 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_forwardWhich 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_forward
- The 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_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_forward
- The graph represents the absorption spectrum of chlorophyll. How does this graph help to explain why leaves turn different colors in the fall?arrow_forwardType of chlorophyll only found in eukaryotes. a.Chl b b.Chl a c.Chl d d.Chl carrow_forwardEuglena is a plant due to presence of cholorophyll.Comment.arrow_forward
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