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bio test 2

Terms in this set (32)

steps in Kreb cycle
citrate
isocitrate
a-ketoglutarate
succinlyn co a
succinate
fumarate
malate
oxaloactetate
photosynthesis
6CO2 + 6H2O -----> C6H12O6 + 6O2

anabolic

source of energy: sunlight
All enzymes speed up and catalyze metabolic reactions through the same mechanism.. expalin
enzymes lower the activation energy
endergonic
reactants (left side) lower than products (right side)
exergonic
reactants are higher than products
major store product broken down into glucose molecules in your liver during fight or flight response
glycogen
name an organism that would use chitin
crawfish
Chitin is an example of a ____________ polysaccharide
structural
_________ is the polysaccharide found in potatoes, which is a type of ____________ polysaccharide
starch, storage
plants rely on _________ in the extracellular matrix which helps them maintain the structure of the plant
cellulose
a product of the Calvin cycle is ______ which is a simple sugar that is a building block of glucose
G3P
two monosaccharides joined by a glycosidic linkage is called
disaccharide
A reaction that occurs spontaneously with no input of energy
exergonic
gas byproduct of light reactions during photosynthesis
oxygen
large enzyme that synthesizes ATP using a proton gradient
ATP synthase
the name of an enzyme that catalyzes reaction between CO2 and ribulose-diphosphate
rubisco
the name of the location on the enzyme where reactants and substrates bind
active site
a metabolic pathway that is halted by the binding of its end product to an enzyme that acts early in the pathway
feedback inhibition
site of light reactions in the chloroplast
thylakoid
the scientist credited for describing the reaction, ribulose-byphosphate + CO2 ----> 2 3-phosphoglycerate
Melvin Calvin
an auxiliary pigment that absorbs blue and green wavelengths in photosynthesis
Carotenoid
when an analog interferes with an enzyme by binding to its active site in place of the substrate
competitive inhibition
the term describing two molecules with the same chemical formula but different structures
isomer
the metabolic pathway that results in 2 net ATP and 2 pyruvate molecules
glycolysis
cellular respiration is a(n) _______ process
catabolic
photosynthesis is a(n) ___________ process
anabolic
a molecule that donates donates an electron is
oxidized
in the process of Z-scheme, these protein complexes are embedded in the membrane of the ________ which are found in stacks all granum in the cholorplast
thylakoid
what source of energy drives the activity of enzyme D (ATP synthase)
chemical gradient
where else in the plant does an enzyme by the same name catalyze the same reaction using the same source of energy
mitochondria
P680 and P700 indicate the presence of a specific pigment molecule that absorbs light energy to increase the free energy of an electron. what is the name of this molecule?
chlorophyll
when 3 CO2 molecules are fixed in the light-independent reactions of photosynthesis, the three-carbon compound that is produced is _____ and serves a key intermediate in what other important metabolic pathway?
G3P, glycolysis
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