Exam 1

Question 1

Autotroph

Answer 1

organisms that use carbon dioxide as their only source of carbon

Question 2

Heterotroph

Answer 2

organisms that require an organic form of carbon such as glucose

Question 3

Phototroph

Answer 3

organisms that use light as a source of energy

Question 4

Chemotroph

Answer 4

organisms that use organic compounds, oxidizable inorganic substances, or elemental sulfur as sources of energy

Question 5

Aerobes

Answer 5

organisms that can use oxygen as an electron acceptor in energy reactions

Question 6

Amaerobes

Answer 6

Organisms that can subsist without oxygen

Question 7

Obligate aerobes

Answer 7

organisms that require oxygen

Question 8

Obligate anaerobes

Answer 8

organisms that oxygen is toxic to

Question 9

Facultative anaerobes

Answer 9

organisms that can adapt to anaerobic conditions using an electron acceptor besides oxygen

Question 10

Catabolism

Answer 10

oxidative degradation of complex carbon molecules

Question 11

Anabolism

Answer 11

process of synthesizing complex biomolecules