BIO 103 Chapter 6 7 and 8 exam Questions And Answers
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Course
Bio 103
Institution
Bio 103
Shortest wavelength and highways energy photons within the visible spectrum;
one of the regions where chlorophylls absorb.
a. green
b. violet- blue
c. red
d. ultraviolet
e. yelllow- orange
~ b. violet-blue
Visible light not strongly absorbed by chlorophylls.
a. green
b. violet - blu...
BIO 103 Chapter 6 7 and 8
exam Questions And Answers
Energy is defined as
a. heat
b. the capacity to do work
c. change
d. movement
✓~ b. the capacity to do work
Enzymes work most effectively at
a. their optimum pH and temperature conditions
b. all pH and temperature conditions
c. only one temperature and a specific pH
✓~ a. their optimum pH and temperature conditions
,A series of sequential chemical reactions which are maintained in the cell are
called
a. chemical reactions
b. biochemical pathways
c. energy steps
d. second messenger cascades
✓~ b. biochemical pathways
Oxidation and reduction reactions are chemical processes that result in a gain
or loss in
a. atoms
b. neutrons
c. electrons
d. molecules
e. protons
✓~ c. electrons
,Reactions that occur spontaneously and release free energy are called
___________ reactions.
a. activation
b. exergonic
c. cataboistic
d. thermodynamic
e. endergonic
✓~ b. exergonic
Protein catalysts that speed up the various metabolic biological reactions in an
organism are called
a. substrates
b. cofactors
c. reactants
d. products
e. enzymes
, ✓~ e. enzymes
Enzymes have specific __________ with which they interact.
a. products
b. substrates
c. reactants
d. atoms
e. end-products
✓~ b. substrates
The chief energy currency of all cells is a molecule called
a. cyclic AMP
b. NADH
c. FADH
d. ATP
e. ADP
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