21.1

Question 1

Virus Discovery

1st

Answer 1

Its contagious

very small bacteria

Question 2

Virus Discovery

2nd

Answer 2

Sap is infectious

tiny bacteria in sap

Question 3

Virus Discovery

3rd

Answer 3

Suspect is reproducing

smaller/simpler poison (virus)

Question 4

Virus Discovery

4th

Answer 4

Isolates and crystalizes

TMVirus

Question 5

Whats a Virus?

Answer 5

non-living particle that causes disease in host

Question 6

Structure

Answer 6

A. Nucleic Acid (Dna or Rna)
B. Capsid, protein coat protects the N. acid
C. Envelope, A second protective coat
D. Spikes. Allow virus to chemically recognize and attach to host cell

Question 7

Shapes

Answer 7

1. Head and Tail (bacteriophage)
2. Rod Shaped (tobacco virus)
3. Many Sided (polio, influenza)

Question 8

Replication

Answer 8

1. Lytic
2. Lysogenic

Question 9

Retrovirus

Answer 9

Rna viruses that replicate backwards produce Dna out of Rna

can cause some cancers

Question 10

Disrupt Homeostasis

Answer 10

1. Destroying certain cells
2. Affecting cell processes (change patterns of growth/development)