handout lecture 7 Chapter 7

handout lecture 7 Chapter 7 - 9/23/11


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Unformatted text preview: 9/23/11
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Outline General
Biology
01:119:101‐Fall
2011
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Dr.
Monica
Torres
 Biological
systems
are
open
systems
 Fig.
7‐2,
p.
156
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Energy flow within and among organisms Light energy Photosynthesis captures light energy Carbon dioxide and water Energy Cellular respiration releases energy stored in glucose molecules Synthesis of Other Life Activities needed • Homeostasis • Growth and molecules development and structures • Reproduction • Movement of materials in and out of cells • Movement of body Oxygen Energy stored in glucose and other nutrients Oxygen Fig. 1-8, Chapter 1 p. 9 1
 9/23/11
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Exergonic
and
Endergonic
Reactions 
 Fig. 7.3, p. 157 General
Biology
01:119:101‐Fall
2011
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Dr.
Monica
Torres
 Diffusion
is
an
Exergonic
Process
 A
concentration
gradient
is
a
form
 of
potential
energy
 Fig
7‐4,
p.
158
 General
Biology
01:119:101‐Fall
2011
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Dr.
Monica
Torres
 ATP
and
ADP
 Fig.
7‐5,
p.
159
 2
 9/23/11
 Figure 8.6 Coupling of Reactions General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 ATP
Links
Exergonic
and
Endergonic
Reactions
 Fig. 7.6 General
Biology
01:119:101‐Fall
2011
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Dr.
Monica
Torres
 Redox
Reactions
 General
Biology
01:119:101‐Fall
2011
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Dr.
Monica
Torres
 Catalase
as
a
Defense
Mechanism
 Fig.
7‐8,
p.
162
 3
 9/23/11
 Activation
Energy
and
Enzymes 
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Enzyme‐Substrate
Complex 
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Important
Classes
of
Enzymes 
 Table 7-1, p. 164 4
 9/23/11
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Effects
of
Temperature
on
Enzyme
Activity 
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Effects
of
pH
on
Enzyme
Activity 
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Effects
of
Enzyme
and
Substrate
Concentration
on
 Reaction
Rate 
 5
 9/23/11
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Feedback
Inhibition 
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 An
Allosteric
Enzyme 
 General
Biology
01:119:101‐Fall
2011
 Dr.
Monica
Torres
 Competitive
and

Noncompetitive
Inhibition 
 6
 ...
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