Question 1

Examine the figure above and answer the following question(s).
-The pathway on the left is named for what is happening in the figure labeled with letter ____.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 2

Agar is produced by

Accepted Answer

A)  brown algae. 
B)  red algae. 
C)  phycobilins. 
D)  brown and red algae. 
E)  red algae and phycobilins. 
A)  brown algae. 
B)  red algae. 
C)  phycobilins. 
D)  brown and red algae. 
E)  red algae and phycobilins.

Question 3

Which of the following statements is most correct concerning the ancestry of Eukarya?

Accepted Answer

A)  The lineage that led to Eukarya consists only of other eukaryotes. 
B)  The lineage that led to Eukarya consists only of Archea. 
C)  The lineage that led to Eukarya consists only of Bacteria. 
D)  The lineage that led to Eukarya consists of Archaea and Bacteria. 
E)  There is no lineage that led to Eukarya. Eukarya arose and has remained always in stasis. 
A)  The lineage that led to Eukarya consists only of other eukaryotes. 
B)  The lineage that led to Eukarya consists only of Archea. 
C)  The lineage that led to Eukarya consists only of Bacteria. 
D)  The lineage that led to Eukarya consists of Archaea and Bacteria. 
E)  There is no lineage that led to Eukarya. Eukarya arose and has remained always in stasis.

Question 4

The earth and other planets of the solar system were formed about ____ billion years ago.

Accepted Answer

A)  3.8 
B)  4.6 
C)  3.0 
D)  2.9 
E)  5.1 
A)  3.8 
B)  4.6 
C)  3.0 
D)  2.9 
E)  5.1

Question 5

Photosynthetic organisms using the oxygen-releasing pathway appeared on earth about ____ billion years ago.

Accepted Answer

A)  1.3 
B)  1.8 
C)  2.3 
D)  2.7 
E)  3.8 
A)  1.3 
B)  1.8 
C)  2.3 
D)  2.7 
E)  3.8

Question 6

What was the probable source of gases constituting the early atmosphere?

Accepted Answer

A)  other planets orbiting the sun but close enough to the early earth 
B)  meteorites 
C)  volcanoes 
D)  stromatolites 
E)  comets 
A)  other planets orbiting the sun but close enough to the early earth 
B)  meteorites 
C)  volcanoes 
D)  stromatolites 
E)  comets

Question 7

Until which period of time did scientists think that molecules of life could only be made inside living organisms?

Accepted Answer

A)  early 1500s 
B)  late 1500s 
C)  early 1600s 
D)  late 1600s 
E)  early 1800s 
A)  early 1500s 
B)  late 1500s 
C)  early 1600s 
D)  late 1600s 
E)  early 1800s

Question 8

What is (are)the function(s)of bacterial pili?

Accepted Answer

A)  organization of the nuclear material 
B)  assisting in protein synthesis 
C)  energy production 
D)  locomotion 
E)  cell membrane construction 
A)  organization of the nuclear material 
B)  assisting in protein synthesis 
C)  energy production 
D)  locomotion 
E)  cell membrane construction

Question 9

Match the following letters with the number with which they best correspond.
a.amoebas
b.apicomplexan
c.dinoflagellates
d.green algae
e.red algae
f.bacteriophage
-cause of red tide

Accepted Answer

The answer of Match the following letters with the number...

Question 10

How might drugs that interfere with the functioning of the apicoplast in the malaria-causing protist probably not be harmful to humans?

Accepted Answer

A)  the drugs would kill the protist before it infected a human 
B)  the drug would prevent the protist from photosynthesizing which is its energy source 
C)  humans never evolved photosynthetic organelles and thus would be unaffected by a drug targeting that type of organelle 
D)  humans already have resistance to apicoplast drugs 
E)  any drug that would prevent the functioning of apicoplasts would not work in a human system 
A)  the drugs would kill the protist before it infected a human 
B)  the drug would prevent the protist from photosynthesizing which is its energy source 
C)  humans never evolved photosynthetic organelles and thus would be unaffected by a drug targeting that type of organelle 
D)  humans already have resistance to apicoplast drugs 
E)  any drug that would prevent the functioning of apicoplasts would not work in a human system

Question 11

Which of the following is a water mold that was responsible for the Irish famine in the mid-1800s?

Accepted Answer

A)  Phytophthora 
B)  Plasmodium 
C)  E. coli 
D)  Staphylococcus 
E)  Trichomonas 
A)  Phytophthora 
B)  Plasmodium 
C)  E. coli 
D)  Staphylococcus 
E)  Trichomonas

Question 12

Which of the following organisms cause malaria?

Accepted Answer

A)  a virus 
B)  a bacterium 
C)  an insect 
D)  a fungus 
E)  a protist 
A)  a virus 
B)  a bacterium 
C)  an insect 
D)  a fungus 
E)  a protist

Question 13

The earliest known fossil cells date to ___ years ago.

Accepted Answer

A)  3.4 hundred 
B)  3.4 thousand 
C)  3.4 million 
D)  3.4 billion 
E)  3.4 trillion 
A)  3.4 hundred 
B)  3.4 thousand 
C)  3.4 million 
D)  3.4 billion 
E)  3.4 trillion

Question 14

AIDS kills about ____ million people each year.

Accepted Answer

A)  2,000 
B)  20,000 
C)  200,000 
D)  2,000,000 
E)  2,000,000,000 
A)  2,000 
B)  20,000 
C)  200,000 
D)  2,000,000 
E)  2,000,000,000

Question 15

What form of Plasmodium become merozoites?

Accepted Answer

A)  merozoites 
B)  gametocytes 
C)  zygotes 
D)  sporozoites 
E)  gametes 
A)  merozoites 
B)  gametocytes 
C)  zygotes 
D)  sporozoites 
E)  gametes

Question 16

The first eukaryotic cells were

Accepted Answer

A)  bacteria. 
B)  archaea. 
C)  protists. 
D)  algae. 
E)  fungi. 
A)  bacteria. 
B)  archaea. 
C)  protists. 
D)  algae. 
E)  fungi.

Question 17

Match the following letters with the number with which they best correspond.
 a.protist
b.prokaryote
c.photoautotroph
d.pathogen
e.protocell
f.halophile
g.antibiotic
-makes its own carbohydrates

Accepted Answer

The answer of Match the following letters with the number...

Question 18

A virus is most analogous to a(an)

Accepted Answer

A)  bank robber. 
B)  pirate. 
C)  embezzler. 
D)  attack dog. 
E)  drug dealer. 
A)  bank robber. 
B)  pirate. 
C)  embezzler. 
D)  attack dog. 
E)  drug dealer.

Question 19

Which of the following is NOT true of ciliates?

Accepted Answer

A)  they have no cell wall 
B)  some are autotrophs 
C)  most live in seawater or fresh water 
D)  some live in mammalian guts 
E)  one species is a human pathogen 
A)  they have no cell wall 
B)  some are autotrophs 
C)  most live in seawater or fresh water 
D)  some live in mammalian guts 
E)  one species is a human pathogen

Question 20

Which of the following does NOT belong to the protists?

Accepted Answer

A)  archaea 
B)  slime molds 
C)  radiolarians 
D)  dinoflagellates 
E)  euglenoids 
A)  archaea 
B)  slime molds 
C)  radiolarians 
D)  dinoflagellates 
E)  euglenoids

Exam 13: Early Life Forms and the Viruses

Examine the figure above and answer the following question(s). -The pathway on the left is named for what is happening in the figure labeled with letter ____.

Agar is produced by

Which of the following statements is most correct concerning the ancestry of Eukarya?

The earth and other planets of the solar system were formed about ____ billion years ago.

Photosynthetic organisms using the oxygen-releasing pathway appeared on earth about ____ billion years ago.

What was the probable source of gases constituting the early atmosphere?

Until which period of time did scientists think that molecules of life could only be made inside living organisms?

What is (are)the function(s)of bacterial pili?

Match the following letters with the number with which they best correspond. a.amoebas b.apicomplexan c.dinoflagellates d.green algae e.red algae f.bacteriophage -cause of red tide

How might drugs that interfere with the functioning of the apicoplast in the malaria-causing protist probably not be harmful to humans?

Which of the following is a water mold that was responsible for the Irish famine in the mid-1800s?

Which of the following organisms cause malaria?

The earliest known fossil cells date to ___ years ago.

AIDS kills about ____ million people each year.

What form of Plasmodium become merozoites?

The first eukaryotic cells were

Match the following letters with the number with which they best correspond. a.protist b.prokaryote c.photoautotroph d.pathogen e.protocell f.halophile g.antibiotic -makes its own carbohydrates

A virus is most analogous to a(an)

Which of the following is NOT true of ciliates?

Which of the following does NOT belong to the protists?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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