Exam Pf January

Question 0

Any living organism or particle that can cause an infectious disease is called an infection agent or________

Answer 0

Pathogen

Question 1

Is an infection particle made only of a strand of DNA or RNA surrounded by a protein coat.

Answer 1

Virus

Question 2

Are infectious particle that can cause disease in plants .

Answer 2

Viroid

Question 3

Is an infectious particle made only of protein that can cause other proteins to fold incorrectly .

Answer 3

Prion

Question 4

Tell me three characteristics of the viruses

Answer 4

Infect many organism ,is the biggest and have DNA

Question 5

Tell me three characteristics of viroids

Answer 5

Infect plant.trees only is the medium and have RNA

Question 6

Tell me three characteristics of prion

Answer 6

They only kills animals,is the smallest one, it cause damage

Question 7

Tell me the size of a prion

Answer 7

2-10mn

Question 8

Tell me three living things

Answer 8

Bacteria,viruses and viroid

Question 9

Tell me one non living thing

Answer 9

Prion