Virology

Question 1

What type of disease is transferred from animals to humans?

Answer 1

Zoonotic diseases

Question 2

Capsid

Answer 2

protein coat surrounding virus genetic material

Question 3

What do viruses lack?

Answer 3

Standard cellular organelles

Question 4

Describe the virus reproduction cycle

Answer 4

-Viruses do not have the genetic capability to multiply for division so they hijack host machinery to create an assembly line of multiplication

Question 5

What protein makes up the capsid?

Answer 5

Capsid is made up of capsomeres held together by non-covalent bonds

Question 6

Nucleocapside=

Answer 6

capsid + Virus nucleic acid

Question 7

Describe the viral envelope

Answer 7

Usually a lipid bilayer derived from host cellCovered in glycoproteins that resemble spikes

Question 8

What are different shapes of viruses?

Answer 8

1) Filament2) Bullet3) Tadpole4) Rod5) Brick6) Spherical

Question 9

Define pleomorphism

Answer 9

ability of some virus to alter their shape or size

Question 10

6 Steps of viral replication

Answer 10

1) Attachment 2) Penetration 3) Uncoating 4) Synthesis of viral nucleic acid and protein 5) Assembly line and maturation 6) Release in Large numbers

Question 11

Varying impacts of virus replication in host

Answer 11

1) Cell Death 2) No apparent change 3)Transformation of cell to malignant one 4) Fusion of cells (multinucleated)

Question 12

What is the role of the ICTV?

Answer 12

sets up the different classifications of cells