BIO 101 EXAM 2 NVCC ACTUAL EXAM 100 REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
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Course
Bio 101 NVCC
Institution
Bio 101 NVCC
BIO 101 EXAM 2 NVCC ACTUAL EXAM 100 REAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
What is metabolism? - Answer️️ -the totality of an organism's chemical reactions
What is a metabolic pathway? What is required in each step? - Answer️️ -is a series of
chemical reactions which begins wi...
How competitive and non competitive inhibitors differ from each other? - Answer✔️✔️-
Competitive inhibitors bind to the active site of an enzyme, competing with the substrate
Noncompetitive inhibitors bind to another part of an enzyme, causing the enzyme to
change shape and making the active site less effective
What are the examples of inhibitors? - Answer✔️✔️-toxins, poisons, pesticides, and
antibiotics
What is a feedback inhibition? - Answer✔️✔️-the end product of a metabolic pathway
shuts down the pathway
What are the laws of thermodynamics? - Answer✔️✔️-the energy of the universe is
constant, Every energy transfer or transformation increases the entropy (heat) of the
universe,
What are the parts of an enzyme? - Answer✔️✔️-substrate, active site
What is the difference between oxidation and reduction? - Answer✔️✔️-In oxidation, a
substance loses electrons, or is oxidized
In reduction, a substance gains electrons, or is reduced (the amount of positive charge
is reduced)
What is the ultimate source of energy? - Answer✔️✔️-sun
What is phosphorylation? What are the three ways to make ATP? - Answer✔️✔️-Light
energy is converted to ATP when the electrons (oxidation) from chlorophyll pass
through a system of carrier molecules
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