U2M1 - p1 Flashcards
Energentics
1
Q
How did life initially evolve
A
chemical evolution
2
Q
Energy is measured in
A
calories
3
Q
what are some factors the affect metabolic rate
A
- age
- genetics
- sex
- exercise habits
- nutritional status
3
Q
Metabolism is
A
the totality of an organisms chemical reactions
3
Q
Metabolic pathways involve
A
- the stepwise modification of a reactant(s) into a product
- each reaction happens with the help of enzymes
4
Q
metabolic rate is
A
- a measure of energy use
- regulated by enzymes
- affected by many things
5
Q
Catabolic pathways ________ energy
A
release
5
Q
catabolic pathways - eg.
A
cellular respiration
5
Q
cellular respiration is an example of _____________ pathways
A
catabolic
5
Q
anabolic pathways __________ energy
A
consume
6
Q
catabolic pathways release energy by …
A
breaking down complex molecules
6
Q
______________ pathways release energy by breaking down complex molecules
A
catabolic
6
Q
photosynthesis is an example of _____________ pathways
A
anabolic
7
Q
anabolic pathways - eg.
A
photosynthesis
7
Q
anabolic pathways consume enrgy to …
A
build complex molecules
