Chapter 4

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通報

問題一覧

This cell type has DNA that is a singular circularly arranged chromosome

Prokaryotic

Prokaryotic DNA is NOT associated with histones

True

In prokaryotic cells, the cell wall almost always contains

Pepticloglycan

Prokaryotic cells usually divide by ___

Binary fission

Prokaryotic cells generally lack ___

Membrane bound organelles

Eukaryotic cell walls are chemically ___

Simple

Define slime layer

An unorganized glycocalyx that is loosely attached to the cell wall

What is a function of capsules?

Protect bacteria from phagocytosis

___ are appendages found on bacterial cells that are involved in motility and DNA transfer

Pili

Axial filaments are also called

Endoflagella

Appendages that are found on bacterial cells that are involved in motility and DNA transfer

Pili

Pili are normally ____ than fimbriae and average ___ per cell

Longer, 1-2

A globular protein that is found in the filament of bacterial flagella

Flagellin

A globular protein arranged in several chains that intertwine and form a helix around a hollow core

Flagellin

An antigen protein that can help distinguish between variations within a species of gram negative bacteria

H-antigen

What does an H-antigen do?

Helps distinguish between variations within a species of gram negative cell

The bacterial cell wall is composed of peptidoglycan and in a ____ cell wall an outer plasma membrane

Gram-negative

Consists of many layers of peptidoglycan

Gram-positive

____ cell walls contain teichoic acids

Gram-positive

Bind and regulate movement of cations in and out of cell

Techoic acids

Prevent cell wall breakdown and possible lysing

Techoic acids

2 classes of teichoic acids

Liptoteichoic acid and wall teichoic acid

Which teichoic acid spans the peptidoglycan layer and is linked to the plasma membrane?

Lipoteichoic acid

Which teichoic acid is only linked to the peptidoglycan layer?

Wall teichoic acid

Consists of one or very few layers of peptidoglycan and outer membrane

Gram-negative

In gram-negative cell walls peptidoglycan is bonded to ___ in the outer membrane

Lipoproteins

The permeability of gram-negative cell walls is due to ___

Porins

Permits the passage of molecules such as nucleotides, disaccharides, peptides, amino acids, vitamin B12 and iron

Porins

___ consists of a carbohydrate backone and tetrapeptide side chains

Peptidoglycan

A large complex molecule consisting of lipid A, a core polysaccharide, and an O polysaccharide

Lipopolysaccharide

The O polysaccharide portion of lipopolysaccharide that extends outward from the core polysaccharide

O antigen

Useful for distinguishing between variations within a species of gram negative bacteria

O antigen

The O-antigen is useful for distinguishing variations in species of ___ bacteria

Gram-negative

The O-antigen role in gram-negative bacteria is comparable to ____ in gram-positive bacteria

Teichoic acids

The lipid portion of lipopolysaccharide that is embedded in the top layer of the outer membrane in gram-negative bacteria

Lipid A

When gram-negative bacteria die they release ___

Lipid A

When lipid A is released as a gram-negative bacteria dies, it functions as ___

An endotoxin

What is responsible for symptoms associated with infection (fever, dilation of vessels, shock, blood clotting) ?

Lipid A

What part of the cell wall is endotoxin?

Lipid A

Bacteria that do not have cell walls

Mycoplasmas

Mycoplasmas have plasma membranes containing lipids called ___

Sterols

What is the role of sterols in mycoplasmas?

Protection from lysis

Bacteria that have lost their cell wall and swell into irregularly shaped cells

L-forms

What bacteria can live and divide repeatedly or return to the walled state?

L-forms

Gram-positive bacteria that no longer have a cell wall due to removal

Protophasts

What gram-positive bacteria is typically spherical and capable of carrying out metabolism with a removed cell wall?

Protophasts

Gram-negative bacteria that have been treated to damage the cell wall

Spheroplasts

Spherical bacteria consisting of cellular contents,plasma membrane, and remaining outer wall layer?

Spheroplasts

Protophasts are ___ bacteria

Gram-positive

Spheroplasts are ___ bacteria

Gram-negative

Bacillus anthracis

Gram-positive

Staphylococcus aureus

Gram-positive

Streptococcus pneumoniae

Gram-positive

Escherichia coli

Gram-negative

Klebsiella pneumoniae

Gram-negative

Vibrio cholerae

Gram-negative

No cell wall

Mycoplasma pneumoniae

211 exam 2 ch18 part 1

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211 exam 2 ch18 part 1

100問 • 1年前

eiren

211 exam 2 ch18 part 2

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211 exam 2 ch18 part 2

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211 exam 2 ch19 part 1

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211 exam 2 ch19 part 1

The cardiac cycle

The cardiac cycle

211 exam 2 ch22

211 exam 2 ch22

211 lab quiz 4

211 lab quiz 4

211 exam 3 ch 24

211 exam 3 ch 24

211 lab quiz 4 cat anatomy

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211 lab quiz 4 cat anatomy

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinary system

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211 lab quiz 4 urinary system

Urinary system

Urinary system

211 exam 3 ch 23

211 exam 3 ch 23

211 exam 3 ch 25

211 exam 3 ch 25

211 exam 3 ch 26

211 exam 3 ch 26

211 lab quiz 3 terms

211 lab quiz 3 terms

General practice quiz

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General practice quiz

Quiz 5 histology

Quiz 5 histology

Hormones

Hormones

Diabetes

Diabetes

Reproductive system

Reproductive system

Endocrine system

Endocrine system

Blood

Blood

Lymphatic system

Lymphatic system

Cardiovascular system

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Cardiovascular system

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Cardiovascular system; Blood vessels

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Cardiovascular system; Blood vessels

Respiratory system

Respiratory system

Urinary System

Urinary System

Digestive system

Digestive system

Reproductive system

Reproductive system

Terminology

Terminology

Ch 1

Ch 1

Mini practical

Mini practical

Chapter 2

Chapter 2

Chapter 6

Chapter 6

Chapter 7

Chapter 7

Chapter l

Chapter l

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

Mini practical 2

Mini practical 2

Skills 8

Skills 8

Chapter 6 Microbial Growth

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Chapter 6 Microbial Growth

Skills 7

Skills 7

Chapter 7 Control Of Microbial Growth

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Chapter 7 Control Of Microbial Growth

Skills 5

Skills 5

Chapter 8 Microbial Genetics

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Chapter 8 Microbial Genetics

Skills 4

Skills 4

Skills 6

Skills 6

Chapter 9

Chapter 9

Chapter 10

Chapter 10

Chapter 11

Chapter 11

Chapter 13

Chapter 13

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

eiren · 65問 · 1年前

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

65問 • 1年前

eiren

問題一覧

This cell type has DNA that is a singular circularly arranged chromosome

Prokaryotic

Prokaryotic DNA is NOT associated with histones

True

In prokaryotic cells, the cell wall almost always contains

Pepticloglycan

Prokaryotic cells usually divide by ___

Binary fission

Prokaryotic cells generally lack ___

Membrane bound organelles

Eukaryotic cell walls are chemically ___

Simple

Define slime layer

An unorganized glycocalyx that is loosely attached to the cell wall

What is a function of capsules?

Protect bacteria from phagocytosis

___ are appendages found on bacterial cells that are involved in motility and DNA transfer

Pili

Axial filaments are also called

Endoflagella

Appendages that are found on bacterial cells that are involved in motility and DNA transfer

Pili

Pili are normally ____ than fimbriae and average ___ per cell

Longer, 1-2

A globular protein that is found in the filament of bacterial flagella

Flagellin

A globular protein arranged in several chains that intertwine and form a helix around a hollow core

Flagellin

An antigen protein that can help distinguish between variations within a species of gram negative bacteria

H-antigen

What does an H-antigen do?

Helps distinguish between variations within a species of gram negative cell

The bacterial cell wall is composed of peptidoglycan and in a ____ cell wall an outer plasma membrane

Gram-negative

Consists of many layers of peptidoglycan

Gram-positive

____ cell walls contain teichoic acids

Gram-positive

Bind and regulate movement of cations in and out of cell

Techoic acids

Prevent cell wall breakdown and possible lysing

Techoic acids

2 classes of teichoic acids

Liptoteichoic acid and wall teichoic acid

Which teichoic acid spans the peptidoglycan layer and is linked to the plasma membrane?

Lipoteichoic acid

Which teichoic acid is only linked to the peptidoglycan layer?

Wall teichoic acid

Consists of one or very few layers of peptidoglycan and outer membrane

Gram-negative

In gram-negative cell walls peptidoglycan is bonded to ___ in the outer membrane

Lipoproteins

The permeability of gram-negative cell walls is due to ___

Porins

Permits the passage of molecules such as nucleotides, disaccharides, peptides, amino acids, vitamin B12 and iron

Porins

___ consists of a carbohydrate backone and tetrapeptide side chains

Peptidoglycan

A large complex molecule consisting of lipid A, a core polysaccharide, and an O polysaccharide

Lipopolysaccharide

The O polysaccharide portion of lipopolysaccharide that extends outward from the core polysaccharide

O antigen

Useful for distinguishing between variations within a species of gram negative bacteria

O antigen

The O-antigen is useful for distinguishing variations in species of ___ bacteria

Gram-negative

The O-antigen role in gram-negative bacteria is comparable to ____ in gram-positive bacteria

Teichoic acids

The lipid portion of lipopolysaccharide that is embedded in the top layer of the outer membrane in gram-negative bacteria

Lipid A

When gram-negative bacteria die they release ___

Lipid A

When lipid A is released as a gram-negative bacteria dies, it functions as ___

An endotoxin

What is responsible for symptoms associated with infection (fever, dilation of vessels, shock, blood clotting) ?

Lipid A

What part of the cell wall is endotoxin?

Lipid A

Bacteria that do not have cell walls

Mycoplasmas

Mycoplasmas have plasma membranes containing lipids called ___

Sterols

What is the role of sterols in mycoplasmas?

Protection from lysis

Bacteria that have lost their cell wall and swell into irregularly shaped cells

L-forms

What bacteria can live and divide repeatedly or return to the walled state?

L-forms

Gram-positive bacteria that no longer have a cell wall due to removal

Protophasts

What gram-positive bacteria is typically spherical and capable of carrying out metabolism with a removed cell wall?

Protophasts

Gram-negative bacteria that have been treated to damage the cell wall

Spheroplasts

Spherical bacteria consisting of cellular contents,plasma membrane, and remaining outer wall layer?

Spheroplasts

Protophasts are ___ bacteria

Gram-positive

Spheroplasts are ___ bacteria

Gram-negative

Bacillus anthracis

Gram-positive

Staphylococcus aureus

Gram-positive

Streptococcus pneumoniae

Gram-positive

Escherichia coli

Gram-negative

Klebsiella pneumoniae

Gram-negative

Vibrio cholerae

Gram-negative

No cell wall

Mycoplasma pneumoniae