Virus Properties and Etc. Flashcards Preview

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Flashcards in Virus Properties and Etc. Deck (32):
1

Are viruses living or non-living entities?

Non-living

2

What is the nucleic acid genome of a virus surrounded by?

Protein coat and sometimes lipid envelope

3

Do viruses possess standard cellular organelles?

No

4

All viruses are _____ _____ parasites.

Obligate intracellular

5

Can viruses make energy or proteins on their own?

No

6

What is the largest animal virus?

Poxvirus

7

What is the smallest animal virus?

Porcine circovirus type 1

8

Which virus has a double-layered capsid?

Reovirus

9

Outer protein coat that encloses nucleic acid core

Capsid

10

What makes up the capsid?

Capsomeres

11

What do some viruses have covering the capsid?

Lipid envelope

12

Classification system based on viral genome only

Baltimore Classificaiton System

13

Classification system based on nature of virus genome and genetic diversity, replication strategies, and morphology

ICTV

14

What does ICTV stand for?

International Committee on Taxonomy of viruses

15

Is the BCS or ICTV the current classification system used for viruses?

ICTV

16

Suffix for Order

-virales

17

Suffix for Family

-viridae

18

Suffix for Subfamily

-virinae

19

Suffix for Genus

-virus

20

What is the intrinsic apoptotic pathway?

Mitochondrial

21

What is the extrinsic apoptotic pathway?

TNF family receptor-mediated

22

Is the intrinsic or extrinsic apoptotic pathway more common?

Intrinsic (???) - check this

23

Which IFNs are Type-I IFNs?

IFN-a and IFN-B

24

Which IFNs are Type-II IFNs?

IFN-gamma

25

Which IFNs are Type-III IFNs?

IFN-lambda 1, 2, and 3

26

Is adaptive immunity specific or non-specific?

Specific

27

What does adaptive immunity include?

Cell-mediated and humoral immunity

28

What are components of cell-mediated immunity?

T-cells (CD4+ helper and CD8+ cytotoxic)

29

What are components of humoral immunity?

B-cells and antibodies

30

Is innate immunity specific or non-specific?

Non-specific

31

What are components of innate immunity?

Interferons, natural barriers

32

What are capsomeres held together by?

Non-covalent bonds