A) are all free-living. B) are the only spiral-shaped bacteria. C) can form chains of cells. D) all possess structures called axial filaments. E) are all parasites of other bacteria. A) are all free-living. B) are the only spiral-shaped bacteria. C) can form chains of cells. D) all possess structures called axial filaments. E) are all parasites of other bacteria.

A) use organic molecules as a source of energy. B) cannot incorporate CO2 into carbohydrates. C) require light to grow. D) include only bacterial species. E) oxidize inorganic molecules as a source of energy. A) use organic molecules as a source of energy. B) cannot incorporate CO2 into carbohydrates. C) require light to grow. D) include only bacterial species. E) oxidize inorganic molecules as a source of energy.

A) are all closely related. B) include Escherichia coli as well as many human pathogens. C) can reproduce only within the cells of other organisms. D) all possess structures called axial filaments. E) include the important genera Bacillus and Clostridium. A) are all closely related. B) include Escherichia coli as well as many human pathogens. C) can reproduce only within the cells of other organisms. D) all possess structures called axial filaments. E) include the important genera Bacillus and Clostridium.

A) is present in the cell walls of almost all bacteria. B) is present in the cell walls of Archaea. C) is present in larger amounts in Gram-negative cell walls than in Gram-positive ones. D) synthesis is unaffected by penicillin. E) is present in the cell walls of yeasts. A) is present in the cell walls of almost all bacteria. B) is present in the cell walls of Archaea. C) is present in larger amounts in Gram-negative cell walls than in Gram-positive ones. D) synthesis is unaffected by penicillin. E) is present in the cell walls of yeasts.

Exam 26: Bacteria and Archaea: the Prokaryotic Domains

Use the following to answer questions: Refer to the diagrams below, showing sections through the cell wall of Gram-positive and Gram-negative bacteria. -Which of the labeled areas (A, B, C, D) retains the violet dye during the Gram-staining procedure?

(Short Answer)

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Question 61

Viruses tend to have genomes that are _______ in size.

(Short Answer)

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Question 62

Gram-positive bacteria stain _, whereas Gram-negative bacteria stain _.

(Short Answer)

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Question 63

The phylogenetic tree shown below

(Multiple Choice)

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Question 80

Showing 61 - 80 of 156

Exam 26: Bacteria and Archaea: the Prokaryotic Domains

Use the following to answer questions: Refer to the diagrams below, showing sections through the cell wall of Gram-positive and Gram-negative bacteria. -Which of the labeled areas (A, B, C, D) retains the violet dye during the Gram-staining procedure?

Viruses tend to have genomes that are _______ in size.

Gram-positive bacteria stain _______, whereas Gram-negative bacteria stain _______.

The phylogenetic tree shown below

Spirochetes

Which statement about nitrogen metabolism is not true?

Which of the following areas or conditions would be favored by thermoacidophiles?

Recessive mutations in prokaryotes exert their effects immediately since prokaryotes are _______. Mutations can move quickly through populations of prokaryotes by _______ and _______.

Which of the following is found in both eukaryotes and prokaryotes?

Use the following to answer questions: Match the following descriptions of groups of bacteria with their names from the list below. -These bacteria are small intracellular parasites that have a unique, complex reproductive cycle and include strains that cause eye infections and venereal disease.

Chemolithotrophs

Gram-negative rods

Bacteria move by means of

Peptidoglycan is a unique feature of the

Which of the following has not made the study of prokaryotic phylogeny difficult?

Which of the following statements about bacteria is true?

All photosynthetic bacteria

The flagella of prokaryotes

Peptidoglycan

The space between the outer membrane and the plasma membrane of a Gram-negative bacterium is called the _______ space.

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

Filters

Gram-positive bacteria stain _, whereas Gram-negative bacteria stain _.

Recessive mutations in prokaryotes exert their effects immediately since prokaryotes are ___. Mutations can move quickly through populations of prokaryotes by _ and _____.