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California State University, Northridge BIO 101 Chapter 6 1)Which of the following lowers the activation energy of a biochemical reaction? An chemical reaction releases energy, whereas an reaction requires an input of energy
California State University, Northridge
BIO 101
Chapter 6
1)Which of the following lowers the activation energy of a biochemical reaction?
- An chemical reaction releases energy, whereas an
reaction requires an input of energy.
- Which of the following expresses the idea of low potential energy?
- The common energy carrier molecule in cells is:
- Which of the following could be accomplished by a catalyst?
- Which of these can affect the rate of an enzymatic reaction?
- Molecular motions are minimized at:
- Certain vitamins, such as niacin, act as in enzyme-catalyzed reactions.
- Which of the following has the greatest amount of kinetic energy?
- Why is photosynthesis a coupled reaction, overall?
- In exergonic chemical reactions:
- The reactant in an enzyme-catalyzed reaction is called the:
- Match each term with its best definition
Linked biochemical reactions in a cell –
This takes place at the active site of an enzyme –Enzyme activity controlled by binding of substance to a regulatory site –
- Match each word with its best definition
Energy of movement (like a diving penguin) –Energy in the bonds of molecules (like glucose) –Causing an object to move by the transfer of energy –
- When a biochemical product can reduce the activity of an enzyme earlier in a metabolic pathway, it is an example of .
- Match each statement with a law of thermodynamics
Energy cannot be created from nothing –
When you drive a car, some of the energy in the gas is converted to heat rather than useful work –
Energy cannot be destroyed –
No energy conversion process is 100% efficient –
When energy is converted from one form to another, the amount of "useful" energy decreases –
Energy in chemical reactions is conserved –
- Energy that is not stored or used for work on a system becomes:
- Which of these would represent an INCREASE in entropy of a system? (check all that apply)
19 Match each reaction with its type
Glucose breakdown –
ATP --> ADP + Phosphate –
Reaction of carbon monoxide with oxygen in a car's catalytic converter –
Protein synthesis – , Photosynthesis –
20 Why doesn't glucose burst into flames spontaneously?
21 Match each term with its best description
Conversion of reactants to products –Net release of energy –
Net input of energy –
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