Chapter 20 Vocab Quiz

Question 0

Capsid

Answer 0

Protein coat surrounding a virus

Question 1

Virus

Answer 1

Particle made of 
-proteins
-nuclei can acids
-lipids
That can replicate only by infecting living cells

Question 2

Bacteriophage

Answer 2

Kind of virus that infects bacteria

Question 3

Lytic cycle

Answer 3

Virus enters cell
Makes a copy of itself
Causes cell to burst

Question 4

Lysogenic cycle

Answer 4

Embeds DNA into the DNA of the host cell and is replicated along with the host cell’s DNA and ends in lytic cycle

Question 5

Prophage

Answer 5

Bacteriophage DNA that is embedded in the bacterial host’s DNA

Question 6

Retrovirus

Answer 6

RNA virus that contains RNA in its genetic information

Question 7

Prokaryote

Answer 7

Unicellular organism that lacks a nucleus

Question 8

Bacillus

Answer 8

Rod-shaped bacteria

Question 9

Coccus

Answer 9

Spherical prokaryote

Question 10

Spirillum

Answer 10

Spiral or cork-screwed shaped prokaryote

Question 11

Binary fission

Answer 11

Type of asexual reproduction in which an organism replicates its DNA and divides. In half, producing two identical daughter cells

Question 12

Endospore

Answer 12

Structure produced by prokaryotes in unfavorable conditions; a thick internal wall that enclosed DNA and a portion of the cytoplasm

Question 13

Conjugation

Answer 13

Process in which paramecia and some prokaryotes exchange genetic information

Question 14

Pathogen

Answer 14

Disease-causing agent

Question 15

Vaccine

Answer 15

Preparation of weakened or killed pathogens used to produce immunity to a disease

Question 16

Antibiotic

Answer 16

Group of drugs used to block the growth and reproduction of bacterial pathogens

Question 17

Emerging disease

Answer 17

Disease that appears in the population for the first time, or an old disease that suddenly becomes harder to control

Question 18

Prion

Answer 18

Protein particles that cause disease