Question 1

Which of the following statements about viruses is TRUE?

Accepted Answer

A)  They were the first form of life to evolve. 
B)  They do not attack plants. 
C)  They are able to reproduce without using other organisms. 
D)  They are made of protein only. 
E)  They include some forms that are able to attack bacteria. 
A)  They were the first form of life to evolve. 
B)  They do not attack plants. 
C)  They are able to reproduce without using other organisms. 
D)  They are made of protein only. 
E)  They include some forms that are able to attack bacteria.

Question 2

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
-thrives in high salt conditions

Accepted Answer

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

Question 3

Eukaryotes are genetically closer to the archea in the process of

Accepted Answer

A)  metabolism. 
B)  membrane formation. 
C)  DNA replication. 
D)  all of these. 
E)  none of these. 
A)  metabolism. 
B)  membrane formation. 
C)  DNA replication. 
D)  all of these. 
E)  none of these.

Question 4

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
-membranous sac that contains interacting organic molecules

Accepted Answer

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

Question 5

Which of the following is NOT one of the components of the iron-sulfur world hypothesis?

Accepted Answer

A)  hydrothermal vents 
B)  carbon monoxide 
C)  pyruvate 
D)  donated electrons 
E)  iron oxide 
A)  hydrothermal vents 
B)  carbon monoxide 
C)  pyruvate 
D)  donated electrons 
E)  iron oxide

Question 6

Which of the following protists are able to produce bioluminescent molecules?

Accepted Answer

A)  foraminiferans 
B)  apicomplexans 
C)  ciliates 
D)  dinoflagellates 
E)  euglenoids 
A)  foraminiferans 
B)  apicomplexans 
C)  ciliates 
D)  dinoflagellates 
E)  euglenoids

Question 7

What is the product of HIV reverse transcriptase?

Accepted Answer

A)  single stranded DNA 
B)  double stranded DNA 
C)  single stranded RNA 
D)  double stranded RNA 
E)  more than one of these 
A)  single stranded DNA 
B)  double stranded DNA 
C)  single stranded RNA 
D)  double stranded RNA 
E)  more than one of these

Question 8

Which of the following structural components is NOT a part of a bacteriophage?

Accepted Answer

A)  protein coat 
B)  DNA 
C)  viral envelope 
D)  all of these ARE parts of a bacteriophage 
E)  more than one of these is NOT a part of a bacteriophage 
A)  protein coat 
B)  DNA 
C)  viral envelope 
D)  all of these ARE parts of a bacteriophage 
E)  more than one of these is NOT a part of a bacteriophage

Question 9

Which of the following statements is INCORRECT?

Accepted Answer

A)  Viruses are not able to move by themselves. 
B)  Viruses are not able to reproduce by themselves. 
C)  Viruses are not structurally organized. 
D)  Viruses are nonliving particles. 
E)  Viruses contain instructions to manufacture themselves. 
A)  Viruses are not able to move by themselves. 
B)  Viruses are not able to reproduce by themselves. 
C)  Viruses are not structurally organized. 
D)  Viruses are nonliving particles. 
E)  Viruses contain instructions to manufacture themselves.

Question 10

Some archaea are extreme halophiles.This means that they thrive in ___ conditions.

Accepted Answer

A)  high temperature 
B)  low temperature 
C)  high sulfur 
D)  high salt 
E)  high oxygen 
A)  high temperature 
B)  low temperature 
C)  high sulfur 
D)  high salt 
E)  high oxygen

Question 11

Experiments like those performed by Stanley Miller in the 1850s demonstrated

Accepted Answer

A)  that DNA forms readily and produces itself. 
B)  that organic compounds required for life can form under artificial conditions. 
C)  that prokaryotic cells can form under artificial conditions. 
D)  that meteorites contain the building blocks of life. 
E)  that reactions in hydrothermal vents synthesis organic molecules. 
A)  that DNA forms readily and produces itself. 
B)  that organic compounds required for life can form under artificial conditions. 
C)  that prokaryotic cells can form under artificial conditions. 
D)  that meteorites contain the building blocks of life. 
E)  that reactions in hydrothermal vents synthesis organic molecules.

Question 12

Plasmodium is

Accepted Answer

A)  an apicomplexan. 
B)  a diatom. 
C)  a ciliate. 
D)  a dinoflagellate. 
E)  a flagellated protozoan. 
A)  an apicomplexan. 
B)  a diatom. 
C)  a ciliate. 
D)  a dinoflagellate. 
E)  a flagellated protozoan.

Question 13

Classification.Answer the questions using the five groups of prokaryotes listed below.
 a.halophiles
b.cyanobacteria
c.thermophiles
d.bacteria
e.methanogens
-These can form heterocysts for making and sharing nitrogen compounds.

Accepted Answer

The answer of Classification.Answer the questions using the five groups...

Question 14

Which of the following aspects is NOT characteristic of diatoms?

Accepted Answer

A)  overlapping shell 
B)  live in fresh water and cool seas 
C)  silica composition 
D)  flagella 
E)  photosynthetic 
A)  overlapping shell 
B)  live in fresh water and cool seas 
C)  silica composition 
D)  flagella 
E)  photosynthetic

Question 15

Which of the following enzymes is responsible for the wide range of diversity found in RNA viruses?

Accepted Answer

A)  DNA polymerase 
B)  RNA polymerase 
C)  reverse transcriptase 
D)  protease 
E)  ligase 
A)  DNA polymerase 
B)  RNA polymerase 
C)  reverse transcriptase 
D)  protease 
E)  ligase

Question 16

Which of the following eukaryotic organelles are believed to have existed as independent prokaryotes in the past?

Accepted Answer

A)  peroxisomes 
B)  chloroplasts 
C)  mitochondria 
D)  lysosomes 
E)  more than one of these 
A)  peroxisomes 
B)  chloroplasts 
C)  mitochondria 
D)  lysosomes 
E)  more than one of these

Question 17

Where do malaria-causing Plasmodium merozoites develop into gametocytes?

Accepted Answer

A)  in the gut of a female mosquito 
B)  in the gut of a male mosquito 
C)  in the mosquito salivary glands 
D)  inside white blood cells 
E)  inside red blood cells 
A)  in the gut of a female mosquito 
B)  in the gut of a male mosquito 
C)  in the mosquito salivary glands 
D)  inside white blood cells 
E)  inside red blood cells

Question 18

What was the basic problem with the Miller-Urey early atmosphere experiments?

Accepted Answer

A)  there was no lightning on the early Earth 
B)  there was no hydrogen gas in Earth's early atmosphere 
C)  they used oxygen gas which was not present in Earth's early atmosphere 
D)  the mixture of gases they used was not representative of Earth's early atmosphere 
E)  more than one of these is correct 
A)  there was no lightning on the early Earth 
B)  there was no hydrogen gas in Earth's early atmosphere 
C)  they used oxygen gas which was not present in Earth's early atmosphere 
D)  the mixture of gases they used was not representative of Earth's early atmosphere 
E)  more than one of these is correct

Question 19

The great adaptive radiation that resulted in all of the major animal lineages occurred in the ___ period.

Accepted Answer

A)  Cretaceous 
B)  Devonian 
C)  Jurassic 
D)  Ordovician 
E)  Cambrian 
A)  Cretaceous 
B)  Devonian 
C)  Jurassic 
D)  Ordovician 
E)  Cambrian

Question 20

The ____ is to flagellated protozoans as the ____ is to prokaryotes.

Accepted Answer

A)  cytoskeleton; flagellum 
B)  endoplasmic reticulum; ribosome 
C)  fimbriae; Golgi body 
D)  pellicle; cell wall 
E)  cytoskeleton; plastid 
A)  cytoskeleton; flagellum 
B)  endoplasmic reticulum; ribosome 
C)  fimbriae; Golgi body 
D)  pellicle; cell wall 
E)  cytoskeleton; plastid

Exam 13: Early Life Forms and the Viruses

Which of the following statements about viruses is TRUE?

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 -thrives in high salt conditions

Eukaryotes are genetically closer to the archea in the process of

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 -membranous sac that contains interacting organic molecules

Which of the following is NOT one of the components of the iron-sulfur world hypothesis?

Which of the following protists are able to produce bioluminescent molecules?

What is the product of HIV reverse transcriptase?

Which of the following structural components is NOT a part of a bacteriophage?

Which of the following statements is INCORRECT?

Some archaea are extreme halophiles.This means that they thrive in ___ conditions.

Experiments like those performed by Stanley Miller in the 1850s demonstrated

Plasmodium is

Classification.Answer the questions using the five groups of prokaryotes listed below. a.halophiles b.cyanobacteria c.thermophiles d.bacteria e.methanogens -These can form heterocysts for making and sharing nitrogen compounds.

Which of the following aspects is NOT characteristic of diatoms?

Which of the following enzymes is responsible for the wide range of diversity found in RNA viruses?

Which of the following eukaryotic organelles are believed to have existed as independent prokaryotes in the past?

Where do malaria-causing Plasmodium merozoites develop into gametocytes?

What was the basic problem with the Miller-Urey early atmosphere experiments?

The great adaptive radiation that resulted in all of the major animal lineages occurred in the ___ period.

The ____ is to flagellated protozoans as the ____ is to prokaryotes.

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

Filters

The is to flagellated protozoans as the is to prokaryotes.