BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 27, Problem 7A
Summary Introduction
Introduction: All life forms are classified into three main domains, namely, archaea, bacteria, and eukarya. These three domains are classified based on the type of cells of the organisms. The prokaryotes are unicellular microorganisms that lack membrane-bounded organelles and nucleus.
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If you could measure pH within a chloroplast, where would it be lowest?
a. In the stroma
b. In the lumen of the thylakoid
c. In the cytoplasm immediately outside the chloroplast
d. In the antenna complex
What is the BEST explanation for why thylakoid membranes are flat and stacked?
A. to fit more into a chloroplast
B. to increase surface area for light absorption and cross-
membrane traffic
C. to increase the color of the leaf as camouflage from herbivores
D. to hold more ATP
In which process is ATP produced in both photosynthesis and cellular respiration by ATP synthase, respectively?
a.
Krebs Cycle and Light-dependent reaction
b.
Light-dependent reaction and oxidative phosphorylation
c.
Glycolysis and Light-independent reaction
d.
Light-independent reaction and oxidative phosphorylation
Chapter 27 Solutions
BIOLOGY
Ch. 27.1 - Prob. 1LOCh. 27.1 - Prob. 2LOCh. 27.1 - Describe classification systems for prokaryotes.Ch. 27.2 - Prob. 1LOCh. 27.2 - Prob. 2LOCh. 27.2 - Prob. 3LOCh. 27.3 - Prob. 1LOCh. 27.3 - Prob. 2LOCh. 27.3 - Prob. 3LOCh. 27.4 - Describe the metabolic strategies employed by...
Ch. 27.4 - Compare and contrast the ways prokaryotes can...Ch. 27.5 - Describe the role of prokaryotes in biogeochemical...Ch. 27.5 - Prob. 2LOCh. 27.5 - Prob. 3LOCh. 27.6 - Prob. 1LOCh. 27.6 - Prob. 2LOCh. 27.6 - Prob. 3LOCh. 27 - Data analysis If the excision of an F plasmid Is...Ch. 27 - Prob. 1IQCh. 27 - Prob. 1UCh. 27 - A bacteria that obtains carbon from the atmosphere...Ch. 27 - Prob. 3UCh. 27 - Bacteria and archaebacteria may be distinguished...Ch. 27 - Prob. 5UCh. 27 - Prob. 6UCh. 27 - Prob. 7UCh. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 3ACh. 27 - Prob. 4ACh. 27 - Prob. 5ACh. 27 - Some bacteria are capable of forming NH4+ from...Ch. 27 - Prob. 7ACh. 27 - Prob. 1SCh. 27 - Prob. 2SCh. 27 - Use of multiple antibiotics is not a bad idea if...Ch. 27 - Soil-based nitrogen-fixing bacteria appear to be...
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- Give an example of two types of plant cells that lack chloroplasts. How do plant cells that lack chloroplasts produce the ATP they need? Do plant cells that contain chloroplasts also contain mitochondria?arrow_forwardUsing the graph comparing photosynthetic rate and absorption of different wavelengths of light, what can be concluded? a) The photosynthesis rate at 550 nm is the highest b) Chlorophyll a absorbs wavelengths at both ends of the spectrum c) Chlorophyll b is associated with the greatest rate of photosynthesis. d) Carotenoids absorb the narrowest range of wavelengths of lightarrow_forwardWhich of the following changes would decrease ATP production in the light-dependent reactions of photosynthesis? a. decreasing the pH of the thylakoid lumen b. decreasing the pH of the chloroplast stroma c. increasing the concentration of NADP+ in the chloroplast stroma d. making the thylakoid membrane freely permeable to protons by adding a proton channel e. two of the above would decrease ATP productionarrow_forward
- . Plants can harvest the energy from light, but also rely on light as a stimulus to control other processes. Briefly describe one example of how plants use light for something other than photosynthesis, including the processes, structures and/or molecules involved.arrow_forwardIf you landed on a planet where all of the plants had purple leaves, what wavelengths of light would you expect to be least effective for photosynthesis? explain your reasoning.arrow_forwardSuppose that the whole plant doesn’t have green parts, can it still perform photosynthesis? Why or why not? Provide interpretation on the chromatography of plant pigmentsarrow_forward
- In 150 word count with reference answer the below question The equation for photosynthesis is 6CO2 + 6H2O + Sunlight --> C6H12O6 + 6O2. Explain the role of each of the products (left side of the arrow) and explain where the products (right side of the arrow) came from.arrow_forwardYou want to kill weeds growing without killing the grass in your backyard. Use the information you gained in Chloroplast and Photosynthesis chapter and answer the following questions. a) Explain what are you going to use to get rid of weeds only. b) How your product will work?arrow_forwardWhat is the name of the cellular structure where the light-dependent reactions of photosynthesis occur in plants? Stroma Thylakoid membrane Outer chloroplast membrane Stomataarrow_forward
- Consider how the Hill Reaction might be used to investigate how the wavelength of light influences the rate electrons move in the electron transport chain of the chloroplast. a) Design an experiment to compare the effects of blue light and green light on the Hill Reaction. (Assume that you have filters that you can attach to your light source to control the wavelength of light.) b) Based on your knowledge of photosynthesis, how would you expect the color of the light to effect the movement of electrons? c) Draw a line graph of your expected results.arrow_forward• Which types of environments are better for C4 photosynthesis plants than for C3 photosynthesis plants?Describe how a high oxygen content in leaves can be toxic to plants.arrow_forwardSome plants are able to survive in hot, dry climates like the desert. What is the name of their photosynthetic process? A. Noncyclic photophsophorylation B. C4 Photosynthesis C. C3 Photosynthesis D. Carbon fixationarrow_forward
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