What is cellular metabolism?
-:- Metabolism is a controlled set of biochemical reactions that occur in living
organisms in order to maintain life
What is the primary function of enzymes, and how are they regulated?
-:- Enzymes speed up chemical reactions. Most notably, the enzyme is not
co...
✓ -:- Reactants are defined as any molecules present and involved at the beginning of
a specific chemical reaction (ie) glycolysis. In terms of writing out a chemical
reaction, the reactants are everything located to the left of the arrow. The reactants
of glycolysis are glucose, the co-enzyme NAD+ and ATP.
How are the TCA and ETC related?
✓ -:- The end products of the Kreb's (TCA) cycle are used to fuel the electron
transport chain. In other words, as the Kreb's cycle (TCA) produces an abundance of
reduced electron carriers (NADH and FADH2), it fuels the ETC. As the electrons are
transferred from NADH/FADH2 to terminal electron acceptors a proton motor force
is generated, ATP synthase is activated and up to 34 molecules of ATP can be
produced.
In the absence of sugars, are entirely different metabolic pathways used to process
alternative sugar sources (fructose or lactose)?
✓ -:- No. Additional enzymatic steps are simply required at the beginning of
catabolism to convert complex sugars into usable forms of either glucose or a
glucose intermediate (glucose-6-phosphate)
Proteases are used to catabolize what?
3|Page | Grade A+| 2024/2025
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