Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Immune Syetem And Viruses > Flashcards

Immune Syetem And Viruses Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

Natural immunity

A

Prevents entry of pathogens into the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

1st line of defence

A

Skin acts as impermeable barrier
Nasal passage lined with hairs
Stomach filled with hydrochloric acid
Symbiotic bacteria secrete lactic acid in the vagina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

2nd line of defence

A

Blood clothing

White blood cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Pathogen

A

Organism which causes disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Antigen

A

Foreign molecule that stimulates production of antibodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Antibody

A

Protein produced by white blood cells in response to a specific antigen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Monocytes

A

Formed in the bone marrow
Develop into macrophages
Recognise foreign antigens
Stimulates production of antibodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Lymphocytes

A

Produced in bone marrow
Attack body cells
Produce antibodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Active immunity

A

Long lasting
Antibody production is stimulated by exposure to a particular antigen
Natural-producing antibodies
Artificial-vaccine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Passive immunity

A

Short lived
Antibodies are supplied form an external source
Natural-across placenta
Artificial-injection of antibodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Vaccination

A

Administration of a non-disease causing dose of pathogen to stimulate the production of antibodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Obligate parasites

A

Only replicate using a host cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Bacteriophage

A

Virus that infects bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Viral replication

A 
Viral DNA enters host cell
New viral DNA made, host DNA inactivated
New viruses formed 
Host cell bursts 
Viruses released
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Advantages of viruses

A

Transfer of genes

Control bacterial infections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Antibiotics

A

Chemicals which in low concentrations stop the growth of bacteria. Produced by other microorganism so

17
Q

Immunity

A

The ability of the body to resist the entry of pathogens and the effects of their toxins

18
Q

Plant virus

A

Mosaic

19
Q

Human virus

A

Cold/flu

Biology (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions