Biology, Chapter 8 Part 1 Question Preview (ID: 4688)


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the ability to do work is the definition for:
a) energy
b) autotroph
c) metabolism
d) adenosine triphosphate or ATPab

the study of the flow and transformation of energy in the universe is the definition for:
a) thermodynamics
b) trophic level
c) cellular respiration
d) energy

each step in a food chain or food web is the definition for:
a) trophic level
b) autotroph
c) cellular respiration
d) adenosine triphosphate

supplying ones' own food is the definition for:
a) autotroph
b) heterotroph
c) chemotroph
d) metabolism

the anabolic pathway in which light energy from the sun is converted to chemical energy for use by the cell is the definition for:
a) photosynthesis
b) cellular respiration
c) metabolism
d) thermodynamics

the catabolic pathway in which organic molecules are broken down to release energy for use by the cell is the definition for:
a) cellular respiration
b) photosynthesis
c) metabolism
d) thermodynamics

the most important biological molecule that provides chemical energy is:
a) adenosine triphosphate or ATP
b) NADH
c) NADPH
d) H2O

all of the chemical reactions in a cell are referred to as:
a) metabolism
b) thermodynamics
c) cellular respiration
d) adenosine triphosphate or ATP

an organic compound containing only one carbon, hydrogen and oxygen, usually in a 1:2:1 ratio is:
a) carbohydrate
b) protein
c) lipid
d) granum

flattened sac-like membranes that are arranged in stacks, the first compartment in the chloroplasts are:
a) thylakoid
b) granum
c) stroma
d) pigment

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