Question 1

The Miller experiment was the first in history that attempted to recreate chemical conditions on Earth before life arose.

Accepted Answer

A) True 
 B)False

Question 2

Fungi and animals are similar because they both

Accepted Answer

A)   are phototrophs.
B)   have cell walls made of chitin.
C)   are heterotrophs.
D)   use starch as their main storage carbohydrate.
E)   are decomposers.F) A) and C)
G) C) and D)

Question 3

Clays often have positively charged surfaces.How may this have been important in the formation of organic macromolecules?

Accepted Answer

A)   They are a source of ATP to run chemical reactions.
B)   They form covalent bonds with organic building blocks.
C)   They can form templates by binding organic building blocks.
D)   They are a source of oxygen to break down organic building blocks.
E)   They are formed from meteorites that carried organic molecules to Earth.F) None of the above
G) B) and D)

Question 4

Mitochondria arose by endosymbiosis of a(an)

Accepted Answer

A)   anaerobic bacterium.
B)   photosynthetic bacterium.
C)   aerobic bacterium.
D)   aerobic archaeon.
E)   photosynthetic archaeon.F) A) and B)
G) A) and E)

Question 5

Why are lichens a good indicator of environmental quality?

Accepted Answer

A)   They cannot absorb toxins.
B)   If the air is polluted they cannot get enough sunlight for photosynthesis.
C)   They cannot excrete absorbed toxins.
D)   If the soil is polluted they cannot produce roots.
E)   Toxins inhibit their reproduction.F) A) and E)
G) B) and C)

Question 6

Mitochondria evolved before chloroplasts based on which observation?

Accepted Answer

A)   Mitochondria produced the oxygen found in the atmosphere.
B)   Almost all organisms have mitochondria.
C)   All eukaryotes have mitochondria, but not chloroplasts.
D)   All prokaryotes have mitochondria, but not chloroplasts.
E)   Mitochondria are larger than chloroplasts.F) B) and E)
G) A) and D)

Question 7

The structures of prokaryotes that are used to transfer DNA from one cell to another are

Accepted Answer

A)   sex pili.
B)   flagella.
C)   endospores.
D)   calcium carbonate threads.
E)   cilia.F) C) and D)
G) A) and D)

Question 8

Many prokaryotes play vital roles in global nutrient cycles.

Accepted Answer

A) True 
 B)False

Question 9

The endoplasmic reticulum,Golgi body,and other membranous organelles of cells might have formed by numerous infoldings of the cell's outer membrane.

Accepted Answer

A) True 
 B)False

Question 10

A prokaryote that occupies a habitat that is extremely salty is a(n)

Accepted Answer

A)   thermophile.
B)   acidophile.
C)   halophile.
D)   basophile.
E)   hydrophile.F) A) and E)
G) B) and E)

Question 11

The three most common shapes of bacteria are

Accepted Answer

A)   spirillum, endospore, and peptidoglycan.
B)   bacillus, spirillum, and coccus.
C)   cubical, spiral, and thread-like.
D)   spirillum, nucleiod, and peptidoglycan.
E)   cubical, spherical, and rod-shaped.F) None of the above
G) D) and E)

Exam 15: Evolution and Diversity of Microbial Life

Clays often have positively charged surfaces.How may this have been important in the formation of organic macromolecules?

Correct Answer
verified

The endoplasmic reticulum,Golgi body,and other membranous organelles of cells might have formed by numerous infoldings of the cell's outer membrane.

Correct Answer
verified

Why are lichens a good indicator of environmental quality?

Correct Answer
verified

A prokaryote that occupies a habitat that is extremely salty is a(n)

Correct Answer
verified

The three most common shapes of bacteria are

Correct Answer
verified

The Miller experiment was the first in history that attempted to recreate chemical conditions on Earth before life arose.

Correct Answer
verified

Mitochondria arose by endosymbiosis of a(an)

Correct Answer
verified

Many prokaryotes play vital roles in global nutrient cycles.

Correct Answer
verified

Fungi and animals are similar because they both

Correct Answer
verified

Mitochondria evolved before chloroplasts based on which observation?

Correct Answer
verified

The structures of prokaryotes that are used to transfer DNA from one cell to another are

Correct Answer
verified

Exam 15: Evolution and Diversity of Microbial Life

Clays often have positively charged surfaces.How may this have been important in the formation of organic macromolecules?

Correct AnswerverifiedShow Answer

The endoplasmic reticulum,Golgi body,and other membranous organelles of cells might have formed by numerous infoldings of the cell's outer membrane.

Correct AnswerverifiedShow Answer

Why are lichens a good indicator of environmental quality?

Correct AnswerverifiedShow Answer

A prokaryote that occupies a habitat that is extremely salty is a(n)

Correct AnswerverifiedShow Answer

The three most common shapes of bacteria are

Correct AnswerverifiedShow Answer

The Miller experiment was the first in history that attempted to recreate chemical conditions on Earth before life arose.

Correct AnswerverifiedShow Answer

Mitochondria arose by endosymbiosis of a(an)

Correct AnswerverifiedShow Answer

Many prokaryotes play vital roles in global nutrient cycles.

Correct AnswerverifiedShow Answer

Fungi and animals are similar because they both

Correct AnswerverifiedShow Answer

Mitochondria evolved before chloroplasts based on which observation?

Correct AnswerverifiedShow Answer

The structures of prokaryotes that are used to transfer DNA from one cell to another are

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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