Viruses

Question 1

Infection victim

Answer 1

Host

Question 2

Pathogen

Answer 2

Cause of infection

Question 3

Vector

Answer 3

Transferes pathogen, from one host to another. Vector isn’t harmed by pathogen

Question 4

Ability of pathogen to enter host & cause disease

Answer 4

pathogenicity

Question 5

degree of destruction that pathogen causes

Answer 5

virulence

Question 6

method by which pathogen enters body

Answer 6

portal of entry

Question 7

obligate parasites that steal metabolism of living cells in order to replicate

Answer 7

viruses

Question 8

viruses are alive T or F?

Answer 8

False. Not alive

Question 9

Viruses are composed of What?

Answer 9

Protein coat, surrounding a nucleic acid

Question 10

Nucleic acids in viruses are ?

Answer 10

Control molecules

Question 11

Viruses kill the cell by what method ?

Answer 11

replication of virus that exceeds ability of cell membrane to contain it.

Question 12

Viruses contain toxic materials & enzymes? T or F

Answer 12

False. Massive replication kills cells

Question 13

What is inside capsid head ?

Answer 13

Nucleic acid/Genome or virion all same thing different names

Question 14

Capsid head is made of ?

Answer 14

Proteins / capsomeres / protein coat

Question 15

The capsid is what type of site ?

Answer 15

antigenic site

Question 16

Attachment mechanism of virus

Answer 16

Basilar plate/tail attachment fibers/tail pins

Question 17

Modus / Collar function ?

Answer 17

barrier to prevent virion from prematurely entering collar

Question 18

What is an active viruses that has antigenic sites & the ability to induce immune response although, attachment mechanism is destroyed

Answer 18

A vaccine

Question 19

Chemical that destroys attachment mechanism w/o destroying capsid

Answer 19

phenol

Question 20

detergent w/ ability to destroy attachment mechanism w/o destroying capsid

Answer 20

Triton X

Question 21

Sodium Dodecyl sulfate - SDS & Formaldehyde prevent what?

Answer 21

Attachment mechanism w/o destroying capsid

Question 22

Nucleic acid in viruses are SS or DS from DNA or RNA. T or F ?

Answer 22

True

Question 23

Viruses Reproduce ? T or F

Answer 23

False. Replicate

Question 24

Nucleic Acid w/in the capsid is what?

Answer 24

virion

Question 25

collective name for capsid & virion/nucleeic acid

Answer 25

Verioid

Question 26

Sub-microscopic molecules are characteristics of what?

Answer 26

viruses

Question 27

2 independent virions sharing capsid

Answer 27

Retrovirus - HIV only one

Question 28

Retrovirus RNA virions are separated by substance consisting of 2 items ?

Answer 28

1. Albumin 2. Palmitic Acid ( fatty acid )

Question 29

Myxovirus virion are ____ stranded DNA ?

Answer 29

double stranded DNA

Question 30

MyXoviruses cause what 3 diseases ?

Answer 30

1. small pox 2. chicken pox 3. herpes simplex/zoster

Question 31

Two Independent RNA strands

Answer 31

Retrovirus

Question 32

Double stranded DNA

Answer 32

MyXovirus

Question 33

Single Stranded DNA

Answer 33

Picornavirus

Question 34

examples of picornavirus

Answer 34

tobacco disease, rabies, polio mellitus, rubella, measles

Question 35

Guarnari viral pattern

Answer 35

bodies in jelly matrix touching nucleus

Question 36

Negri viral pattern

Answer 36

Viral bodies Never Near Nucleus