Question 1

Match each prokaryotic genus with its correct description.
-snottite bacteria

Accepted Answer

A) causes anthrax 
B) fixes nitrogen 
C) causes syphilis 
D) loves very high temperatures 
E) causes endotoxin shock
F)helps in the production of yogurt
G)causes necrotizing fasciitis (flesh-eating disease)
H)loves toxic H2S gas
I)causes gonorrhea
J)produces CH4
K)causes trachoma (a preventable form of blindness) 
A) causes anthrax 
B) fixes nitrogen 
C) causes syphilis 
D) loves very high temperatures 
E) causes endotoxin shock
F)helps in the production of yogurt
G)causes necrotizing fasciitis (flesh-eating disease)
H)loves toxic H2S gas
I)causes gonorrhea
J)produces CH4
K)causes trachoma (a preventable form of blindness)

Question 2

Match each prokaryotic genus with its correct description.
-Neisseria

Accepted Answer

A) causes anthrax 
B) fixes nitrogen 
C) causes syphilis 
D) loves very high temperatures 
E) causes endotoxin shock
F)helps in the production of yogurt
G)causes necrotizing fasciitis (flesh-eating disease)
H)loves toxic H2S gas
I)causes gonorrhea
J)produces CH4
K)causes trachoma (a preventable form of blindness) 
A) causes anthrax 
B) fixes nitrogen 
C) causes syphilis 
D) loves very high temperatures 
E) causes endotoxin shock
F)helps in the production of yogurt
G)causes necrotizing fasciitis (flesh-eating disease)
H)loves toxic H2S gas
I)causes gonorrhea
J)produces CH4
K)causes trachoma (a preventable form of blindness)

Question 3

Which category contains organisms that have mitochondria?

Accepted Answer

A) Bacteria 
B) Archaea 
C) Eukarya 
D) Mercaria 
A) Bacteria 
B) Archaea 
C) Eukarya 
D) Mercaria

Question 4

Over 6000 species of prokaryotes have been identified. What percentage of the total number of prokaryotic species on Earth does this represent?

Accepted Answer

A) 1% 
B) 10% 
C) 30% 
D) 90% 
A) 1% 
B) 10% 
C) 30% 
D) 90%

Question 5

-In the figure of a phylogenetic tree, which branch identifies Bacteria?

Accepted Answer

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

Question 6

-In the figure of a bacterial cell, which number identifies the structure that facilitates movement?

Accepted Answer

A) 5 
B) 4 
C) 3 
D) 1 
A) 5 
B) 4 
C) 3 
D) 1

Question 7

No members of the Korarchaeota have been isolated and cultivated in the lab, but their DNA samples help us recognize them.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following characterizes Gram-positive bacteria?

Accepted Answer

A) the presence of an outer membrane 
B) the absence of ribosomes 
C) the presence of a thick cell wall 
D) the absence of a cell wall 
A) the presence of an outer membrane 
B) the absence of ribosomes 
C) the presence of a thick cell wall 
D) the absence of a cell wall

Question 9

Which organisms contain prokaryotic histonlike proteins?

Accepted Answer

A) Archaea 
B) Mercaria 
C) Eukarya 
D) Bacteria 
A) Archaea 
B) Mercaria 
C) Eukarya 
D) Bacteria

Question 10

In what way is proteobacterial photosynthesis different from plant photosynthesis?

Accepted Answer

A) Proteobacterial photosynthesis does not use a proton gradient. 
B) Proteobacterial photosynthesis does not consume CO2. 
C) Proteobacterial photosynthesis uses water as an electron donor. 
D) Proteobacterial photosynthesis uses a different type of chlorophyll. 
A) Proteobacterial photosynthesis does not use a proton gradient. 
B) Proteobacterial photosynthesis does not consume CO2. 
C) Proteobacterial photosynthesis uses water as an electron donor. 
D) Proteobacterial photosynthesis uses a different type of chlorophyll.

Question 11

What do capsules protect bacteria from?

Accepted Answer

A) osmotic lysis 
B) invaders 
C) radiation 
D) viruses 
A) osmotic lysis 
B) invaders 
C) radiation 
D) viruses

Question 12

What is the order of the cell layers, from most external to most internal?

Accepted Answer

A) cell wall, cell membrane, capsule 
B) cell membrane, capsule, cell wall 
C) capsule, cell membrane, cell wall 
D) capsule, cell wall, cell membrane 
A) cell wall, cell membrane, capsule 
B) cell membrane, capsule, cell wall 
C) capsule, cell membrane, cell wall 
D) capsule, cell wall, cell membrane

Question 13

Discuss why Gram-positive and Gram-negative bacteria stain differently with the Gram stain. How is this difference reflected in antibiotic sensitivity/resistance?

Accepted Answer

Gram-positive bacteria are those that re

Question 14

Which of the following are among the Archaea that have been cultured in the laboratory?

Accepted Answer

A) Crenarchaeota and Korarchaeota 
B) Crenarchaeota and Euryarchaeota 
C) Nanoarchaeota and Korarchaeota 
D) Euryarchaeota and Nanoarchaeota 
A) Crenarchaeota and Korarchaeota 
B) Crenarchaeota and Euryarchaeota 
C) Nanoarchaeota and Korarchaeota 
D) Euryarchaeota and Nanoarchaeota

Question 15

Which of the following contain cytoplasmic organelles?

Accepted Answer

A) Archaea 
B) Mercaria 
C) Eukarya 
D) Bacteria 
A) Archaea 
B) Mercaria 
C) Eukarya 
D) Bacteria

Question 16

Which organisms obtain carbon from CO2?

Accepted Answer

A) auxotrophs 
B) heterotrophs 
C) autotrophs 
D) chemotrophs 
A) auxotrophs 
B) heterotrophs 
C) autotrophs 
D) chemotrophs

Question 17

Which of the following best describes the type of bacteria found in your guts?

Accepted Answer

A) They are less similar to that of your family than to people unrelated to you, and are not unique to you. 
B) They are less similar to that of your family than to people unrelated to you, but are still unique to you. 
C) They are more similar to that of your family than to people unrelated to you, and are not unique to you. 
D) They are more similar to that of your family than to people unrelated to you, but are still unique to you. 
A) They are less similar to that of your family than to people unrelated to you, and are not unique to you. 
B) They are less similar to that of your family than to people unrelated to you, but are still unique to you. 
C) They are more similar to that of your family than to people unrelated to you, and are not unique to you. 
D) They are more similar to that of your family than to people unrelated to you, but are still unique to you.

Question 18

Which process contributes to prokaryotic genetic variability?

Accepted Answer

A) binary fission 
B) horizontal gene transfer 
C) nitrogen fixation 
D) mutation 
A) binary fission 
B) horizontal gene transfer 
C) nitrogen fixation 
D) mutation

Question 19

Chlamydias are bacteria that possess cell walls, but lack peptidoglycan.

Accepted Answer

A) True 
 B)False

Question 20

Which organisms stain as either Gram-positive or Gram-negative?

Accepted Answer

A) Bacteria 
B) Mercaria 
C) Archaea 
D) Eukarya 
A) Bacteria 
B) Mercaria 
C) Archaea 
D) Eukarya

Exam 22: Bacteria and Archaea

Match each prokaryotic genus with its correct description. -snottite bacteria

Match each prokaryotic genus with its correct description. -Neisseria

Which category contains organisms that have mitochondria?

Over 6000 species of prokaryotes have been identified. What percentage of the total number of prokaryotic species on Earth does this represent?

-In the figure of a phylogenetic tree, which branch identifies Bacteria?

-In the figure of a bacterial cell, which number identifies the structure that facilitates movement?

No members of the Korarchaeota have been isolated and cultivated in the lab, but their DNA samples help us recognize them.

Which of the following characterizes Gram-positive bacteria?

Which organisms contain prokaryotic histonlike proteins?

In what way is proteobacterial photosynthesis different from plant photosynthesis?

What do capsules protect bacteria from?

What is the order of the cell layers, from most external to most internal?

Discuss why Gram-positive and Gram-negative bacteria stain differently with the Gram stain. How is this difference reflected in antibiotic sensitivity/resistance?

Which of the following are among the Archaea that have been cultured in the laboratory?

Which of the following contain cytoplasmic organelles?

Which organisms obtain carbon from CO2?

Which of the following best describes the type of bacteria found in your guts?

Which process contributes to prokaryotic genetic variability?

Chlamydias are bacteria that possess cell walls, but lack peptidoglycan.

Which organisms stain as either Gram-positive or Gram-negative?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters

Which organisms obtain carbon from CO₂?