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Chapters 7-11
Key terms and ideas for Bio120 for science majors
14
Biology
Undergraduate 1
10/16/2014

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Term

         is the final acceptor of electrons in the electron transport chain (ETC). 

Definition
Oxygen
Term

Exothermic reactions are mostly:

  1. Spontaneous
  2. Nonspontaneous
Definition
  1. Spontaneous
Term

Endothermic reactions are mostly:

  1. Spontaneous
  2. Nonspontaneous
Definition
2. Nonspontaneous
Term
Enthalpy is:
Definition
Total energy in a molecule.
Term
Entropy is:
Definition
Amount of disorder.
Term

When products of a chemical reaction becomes less ordered than reactant molecules, entropy   ?  

Definition
Increases
Term

ADP+pi ------> ATP is an             reaction. 

  1. Endergonic
  2. Exergonic
Definition
Endergonic
Term

ATP -----> ADP+pi is a _____ reaction. 

  1. Endergonic
  2. Exergonic
Definition
Exergonic
Term
Oxidation is the ____ of electrons.
Definition
Loss
Term
Reduction is the ____ of electrons
Definition
Gain
Term
What is a substrate?
Definition

Target molecule of energy released by hydrolyzing ATP. The lost P goes to substrate. 

Term
What is phosphoralation?
Definition
Addition of phosphate group to a substrate
Term

_____ reactions release energy

  1. Exergonic
  2. Endergonic
Definition
Exergonic
Term

____ reactions require an input of energy to proceed.

  1. Exergonic
  2. Endergonic
Definition
Endergonic
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