Question 1

Bacterial smears are fixed before staining to

Accepted Answer

A) affix the cells to the slide. 
B) make their walls permeable. 
C) accept stain. 
D) make the cells visible. 
A) affix the cells to the slide. 
B) make their walls permeable. 
C) accept stain. 
D) make the cells visible.

Question 2

Which of the following is never useful for observing living cells?

Accepted Answer

A) phase-contrast microscope 
B) darkfield microscope 
C) scanning acoustic microscope 
D) scanning electron microscope 
E) brightfield microscope 
A) phase-contrast microscope 
B) darkfield microscope 
C) scanning acoustic microscope 
D) scanning electron microscope 
E) brightfield microscope

Question 3

Which of the following is NOT equal to 1 mm?

Accepted Answer

A) 0)001 m 
B) 1,000,000 nm 
C) 0)1 cm 
D) 100 μm 
E) 1,000.000.000 pm 
A) 0)001 m 
B) 1,000,000 nm 
C) 0)1 cm 
D) 100 μm 
E) 1,000.000.000 pm

Question 4

How are brightfield,darkfield,phase-contrast and fluorescence microscopy similar?

Accepted Answer

Brightfield, darkfield, phase-contrast,

Question 5

Which step in the Gram stain is the critical step in differentiating gram-positive cells from gram-negative cells?

Accepted Answer

A) safranin 
B) alcohol-acetone 
C) iodine 
D) crystal violet 
A) safranin 
B) alcohol-acetone 
C) iodine 
D) crystal violet

Bacterial smears are fixed before staining to

Which of the following is never useful for observing living cells?

Which of the following is NOT equal to 1 mm?

How are brightfield,darkfield,phase-contrast and fluorescence microscopy similar?

Which step in the Gram stain is the critical step in differentiating gram-positive cells from gram-negative cells?

The Microbial World and You

Chemical Principles

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, algae, protozoa, and Helminths

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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Exam 3: Observing Microorganisms Through a Microscope

Bacterial smears are fixed before staining to

Which of the following is never useful for observing living cells?

Which of the following is NOT equal to 1 mm?

How are brightfield,darkfield,phase-contrast and fluorescence microscopy similar?

Which step in the Gram stain is the critical step in differentiating gram-positive cells from gram-negative cells?

The Microbial World and You

Chemical Principles

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, algae, protozoa, and Helminths

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Filters