Biology: Life on Earth Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780134153742
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 3MC
In the endosymbiotic origin of the mitochondrion, the host cell benefited from the engulfed cell’s ability to _________; in the endosymbiotic origin of the chloroplast, the host cell benefited from the engulfed cell’s ability to _____.
detoxify waste material; produce toxins that deterred predators
use aerobic respiration to produce ATP; use photosynthesis to produce sugar
use photosynthesis to generate oxygen; provide a shield against UV radiation
move rapidly using flagella; form a cell nucleus
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Why do scientists believe that
mitochondria evolved before
chloroplasts?
A. because all eukaryotic cells have mitochondria but
not all eukaryotic cells have chloroplasts
B. because mitochondria are more efficient than
chloroplasts
C. because mitochondria live longer than chloroplasts
D. because mitochondria are larger and stronger than
chloroplasts
Chrome OS Wien
Which of the following components is nor used by both plants and cyanobacteria to carry out photosynthesis?
a. chloroplasts
b. chlorophyll
c. carbon dioxide
d. water
Which of the evolutionary sequences below does NOT represent how chloroplasts were derived?
A.cyanobacteria → red algae →brown algae
B.cyanobacteria → green algae → land plants
C. cyanobacteria → green algae → fungi → land plants
D. cyanobacteria → green algae → red algae
Chapter 18 Solutions
Biology: Life on Earth Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
Ch. 18 - 1. Almost all of the oxygen gas in today’s...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - 3. In the endosymbiotic origin of the...Ch. 18 - 4. Which of the following does not list...Ch. 18 - Prob. 5MCCh. 18 - 1. Because there was no oxygen in the earliest...Ch. 18 - 2. The molecule ________ became a candidate for...Ch. 18 - 3. Complex cells that contain a nucleus and other...Ch. 18 - 4. The sperm of early land plants had to reach the...Ch. 18 - 5. Early plants that protected their seeds within...
Ch. 18 - Prob. 6FTBCh. 18 - Amphibians gave rise to ____________, which had...Ch. 18 - 1. What is the evidence that life might have...Ch. 18 - Prob. 2RQCh. 18 - 3. Explain the endosymbiont hypothesis for the...Ch. 18 - 4. Name two advantages of multicellularity for...Ch. 18 - What advantages and disadvantages would...Ch. 18 - 6. Outline the major adaptations that emerged...Ch. 18 - Outline the evolution of humans from early...Ch. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
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- Which of the following are found within chloroplasts? a. Stroma b. Thylakoid membrane c. Chlorophyll d. All of the abovearrow_forwardin photosystem ii, ___ the energy electrons are donated to ____ -Low ; H20 -High; H20 -Low; O2 -High; Ferredoxin - High; Plastoquinonearrow_forwardPhotosystem II uses sunlight to strip electrons (and protons) away from which of the following substrate molecules (in the chloroplasts of green plants and green algae)? C6H12O6 only C6H12O6, H2O, and CO2 only CO2 only H2O and C6H12O6 only H2O onlyarrow_forward
- In addition to the pigments commonly associated with photosynthesis, a certain photosynthetic species contains two additional pigment types. Which of the following best supports the claim that this species is better adapted to environmental changes than other photosynthetic species are? a) The additional pigments allow the species to outcompete other species for the wavelengths of light commonly used in photosynthesis. b) The increased pigment concentration better facilitates energy production within the cells of the species. c) The pigment combination allows the organism to absorb heat as well as light, making better use of available energy. d) The additional pigments allow the species containing them to harvest energy from wavelengths of light that the other photosynthetic species cannot use.arrow_forwardOf the two types of photosynthesis, C3 and C4, which one is more evolved? Justifyyour answer.arrow_forwardThis single-celled or multicelled eukaryotic consumer breaks down material outside itself, then absorbs nutrients released from the breakdown. - This single-celled or multicelled eukaryotic consumer breaks down material outside itself, then absorbs nutrients released from the breakdown. Select bacteria as your answer bacteria Select protists as your answer protists Select animals as your answer animals Select fungi as your answer fungiarrow_forward
- Which of the following materials are cycled by chloroplast and mitochondriona. a. CO², H²O, O² and ATPb. CO²,H²O,O² and SUGARc. sugar, H²O, O² and ATPd. CO², H²O, O² and sunlightarrow_forwardWhy do autotrophs use photosynthesis? Photosynthesis produces carbon dioxide, which other plants use to make sugar. Photosynthesis absorbs oxygen from the air, which reduces the rate of climate change. Autotrophs absorb energy from the sun to make sugars for their own use. Autotrophs absorb energy from the sun to make sugars so that heterotrophs can eat them and get energy.arrow_forwardThe basic raw materials for photosynthesis are: sugar and carbon dioxide. water and carbon dioxide. oxygen and water. sugar and water. oxygen and carbon dioxidearrow_forward
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