3.1 Cellular Energy
in AP Biology
The totality of an organism’s chemical reactions is called metabolism. Metabolism is an emergent property of life that arises from orderly interactions between molecules.
To Think About:
What do living things use chemical energy for? How is energy efficiently transferred in a biological pathway?
Watch: AP Daily Video Cellular Energy
Answer the Following Questions:
- What is the main source of energy input for living systems?
- Describe what autotrophs do.
- What is the 2nd law of thermodynamics?
- What is energy coupling?
- Sequential reactions allow for more _______________ and _________________ transfer of energy.
- PAUSE the video at 4:00. Choose the correct answer and JUSTIFY your choice.
Supplementary Resources:
- Bozeman Science: Mr. Andersen’s “Gibbs Free Energy” video
- Bozeman Science: Mr. Andersen’s “Life Requires Free Energy” video
Boundless Biology: Free Energy
