bio130 exam 3
answer all these questions from the file (book) thats provided
Energy in living systems and
Enzyme function
Photosynthesis and
Cellular respiration (introduction) – 2 sides of the carbon cycle
What is energy and what is work?
What 2 forms of energy exist?
What kind of energy is electromagnetic radiation?
In what kind of living system is part of the electromagnetic spectrum used to
power the formation of an important molecule? What is the molecule
made?
What is the 1st law of thermodynamics and what is a good example of this in
living systems?
What is the 2nd law of thermodynamics and where do you see the effects of
this in your life?
What is “Metabolism”? How does this relate to chemical reactions in living
organisms?
In living systems, chemical reactions fall into 2 categories. What are these 2
types of reactions called?
What is a coupled reaction? What does that mean? Give an example
What is ATP and why is it important in living systems?
What is the purpose of enzymes in living systems, and how do they physically
accomplish their job?
What is the difference between reversible and irreversible inhibition of an
enzyme? Give an example of each
What is the purpose of Photosynthesis?
How does photosynthesis underpin all life on the planet?
What is the chemical equation to describe photosynthesis?
Where does photosynthesis happen (from general to specific)?
What major steps occur during photosynthesis (2 of them)?
What is going on during the light reactions? Write an equation to describe
this.
What is going on during the Calvin cycle? Write an equation to describe this.
What is rubisco? What does it do?
Sometimes Rubisco binds O2, What is this called and why is this bad?
What are 2 ways plants have evolved to avoid O2 fixation?
What is the purpose of cellular respiration?
What is the chemical equation to describe cellular respiration?
Where does respiration happen in a cell?
What major steps occur during cellular respiration (3 of them)?
What is unique about glycolysis?
What is glycolysis in the absence of O2?
What is the difference between alcohol fermentation and lactic acid
fermentation?
Where is the majority of ATP produced during respiration?
What enzyme shows up in both photosynthesis and respiration to make ATP?
How is this process of ATP production similar in both systems?
How are other non-glucose molecules used for fuel (eg. lipids and proteins)
How can cellular respiration be tracked to view cellular activity in organisms?
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