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BCH 3025 Exam 4- practice quizzes with questions and answers (download to pass)
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BCH 3025 Exam 4- practice quizzes with questions and answers (download to pass)
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BCH 3025 Exam 4- practicequizzes with questions and
answers (download to pass)
in animal cells, where does fatty acid synthesis occur? - answer in the
cytosol
linolate and beta linolenate are essentail fatty acids because... - answer
mammals cannot introduce more than one double bond in fatty acid chains
what is the function of eicosanoids? - answer they are signaling
molecules
which of the following is true about fatty acid synthase of vertebrates? -
answer it has a flexible phosphopanthetheine arm
which of the following occurs during the first cycle of fatty acid chain
synthesis? - answer the malonyl group from malonyl-coa is transferred to
the acyl carrier protein (ACP)
in animals, what is the source of acetyl-coa used in fatty acid synthesis -
answer citrate
what is the rate determining step in fatty acid synthesis? - answer the
formation of malonyl-coa
fatty acyl-coa desaturase, which introduces a double bond in a saturated
fatty acid is a - answer mixed- function oxidase
which of the following is true about triacylglycerols? - answer they are
derived from phosphatidic acid
, which of the following is true about the regulation of triacylglycerol
metabolism? - answer people with severe diabetes mellitus fail to
synthesize fatty acids from carbohydrates
how does aspirin reduce inflammation? - answer it inhibits the formation
of prostoglandins
squalene, the 30-carbon precursor to cholesterol is composed of- - answer
six isoprene units
all sterols: - answer are alcohols
chylomicrons - answer are synthesized in the small intestine
which of the following lipoproteins participates in reverse cholesterol
transport? - answer HDL
which of the following is true about glycerophospholipids? - answer they
have a head group joined by a phosphodiester linkage
which of the following lipids or lipid-derived molecules has a glycerol
backbone? - answer plasmalogen
which of the following occurs when cholesterol enters cells? - answer
cholesterol is released from LDL particles when the particles become
internalized by lysosomes
which chemical reaction depicts nitrification - answer NO2 --> NO3
glutamine is derived from which glycolysis or citric acid cycle
intermediate? - answer beta-ketoglutarate
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