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Lecture 8

Biology 1002B Lecture Notes - Lecture 8: Citric Acid Cycle, Cellular Respiration, Light-Independent Reactions

Course Code
BIOL 1002B
Patrick Mc Donald

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Biology 1202 B
Lecture Cycle 4 (Lecture 8)
Material Covered – Glycolysis, Pyruvate Oxidation, Citric Acid
After Photosynthesis
Aer 3 turns of the Calvin Cycle
G3P forms the basic building block for more complex carbohydrate molecules (CH2O)
Carbohydrates exist as monosaccharides or chains of monosaccharides
- Most commonly 3, 5, or 6 carbon molecules
Monosaccharide Rings
Monosaccharides with 5 or more
carbons can fold into a ring form
- Ring form more common than
linear in cells
Used for a number of cellular
func.ons aside from energy storage
Cellular Respiration
Catabolic, exergonic pathway which consumes oxygen
and produces water
Energy extracted from glucose to a form that the cell
can readil y use – ATP
Why Carbohydrates for Fuel?
Electrons which are farther from the nucleus contain
more energy
Electrons that share C-H bonds are equidistant from both atomic nuclei
- High energy
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