Viruses

Question 1

Bacteriophage

Answer 1

Is a virus that infects bacteria

Question 2

AIDS

Answer 2

A disorder in which the person cannot make antibodies. This is due to infection with HIV

Question 3

Shapes of viruses

Answer 3

-round
-rod-shaped
-complex

Question 4

Virus structures

Answer 4

-have outer coat called capsid
- do NOT have ribosomes , mitochondria or other cytoplasmic organelles
-do NOT carry out metabolic processes
-non- cellular
-

Question 5

Living viruses

Answer 5

1. Contain genetic material (DNA or RNA)
2. Have a protein coat
   3.Can replicate

Question 6

Non - living viruses

Answer 6

1.non- cellular
2. Cannot reproduce themselves
3. Do not have ribosomes , mitochondria or other cell organelles
4. Only have one type of nucleic acid

Question 7

Disadvantages

Answer 7

• human diseases
• plant diseases
• animal diseases

Question 8

Benefits

Answer 8

• genetic engineering
• control of infections