Chapter 19: Bacteria and Viruses

Question 0

Organism that must take in organic molecules for both energy and carbon

Answer 0

Chemoheterotroph

Question 1

Unicellular organism lacking nucleus

Answer 1

Prokaryote

Question 2

Organism that is photosynthetic, but needs organic compounds as a carbon source

Answer 2

Photoheterotroph

Question 3

Organism that uses energy from sunlight to convert carbon dioxide and water to carbon compounds

Answer 3

Photoautotroph

Question 4

Organism that makes organic carbon molecules from carbon dioxide using energy from chemical reactions

Answer 4

Chemoautotroph

Question 5

Organism that requires a constant supply of oxygen in order to live

Answer 5

Obligate Aerobe

Question 6

Organism that cannot live in the presence of oxygen

Answer 6

Obligate Anaerobe

Question 7

Organism that can survive with or without oxygen

Answer 7

Facultative Anaerobe

Question 8

Type of asexual reproduction in which an organism replicates it’s DNA and divides in half, producing two identical daughter cells

Answer 8

Binary Fission

Question 9

Form of sexual reproduction in which paramecia and some prokaryotes exchange genetic information

Answer 9

Conjugation

Question 10

Particle made up of nucleic acid, protein, and in some cases, lipids that can replicate only by infecting something

Answer 10

Virus

Question 11

Outer protein coat of a virus

Answer 11

Capsid

Question 12

Virus that infects bacteria

Answer 12

Bacteriophage

Question 13

Virus that contains RNA as it’s genetic information

Answer 13

Retrovirus

Question 14

Disease-causing agent

Answer 14

Pathogen

Question 15

A preparation of weakened or killed pathogens

Answer 15

Vaccine

Question 16

Compound that blocks the growth and reproduction of bacteria

Answer 16

Antibiotic

Question 17

Single-stranded RNA molecule that has no surrounding capsids

Answer 17

Viroid

Question 18

Infectious particle made up of protein rather than RNA or DNA

Answer 18

Prion