questions
The polysaccharide cellulose is composed of sugar monomers linked through beta
linkages, with their CH2OH groups in opposite direction relative to the neighboring
monomer. –
True
Nutrient that can not be broken down to a substance that can participate in the
production of ATP via aerobic cellular metabolism –
Vitamin E
Glycolysis produces 2 ATP molecules, through what process are these ATP molecules
made? –
Substrate level phosphorylation
What product of beta oxidation is able to enter the citric acid cycle? –
AcetylCoA
What process is shared between anaerobic and aerobic metabolism? –
glycolysis
A defect occurs that prevents pyruvate from converting to lactate under anaerobic
conditions - what is a possible consequence? –
glycolysis stops because NAD+ levels are too low
What differentiates aerobic from anaerobic cellular metabolism? –
utilization of 02 as an electron acceptor
What takes place in the mitochondria of a cell? –
production of FAHD2
production of CO2 in the citric acid cycle
creation of a proton gradient
What does not take place in the mitochondria of a cell? –
, conversion of pyruvate to lactic acid
Under aerobic conditions in a human, which molecule is formed in the cytosol by
fermentation? –
lactate
A woman is about to begin her ascent of Mount Everest and is preparing for Day 1 of
the climb. Approximately 6 hours before the hike begins, she and her climbing team eat
a meal containing 80% complex carbohydrates. What is the physiological benefit of this
approach? –
improving glycogen stores in the liver and muscle
Which process is stimulated when glucagon is released into the bloodstream? –
triglyceride synthesis
Which chemical represents a monosaccharide? –
C6H1206
A patient with advanced cancer has not been able to eat a full meal for the past 3
months, and his intake has gradually diminished over the last month such that his entire
intake in the prior 3 days consists solely of water. What is most likely? –
He is likely to have lost adipose tissue and muscle mass
Which process is stimulated when insulin is released into the bloodstream? –
glycogenesis
What is the largest source of energy storage in the normal human body? –
triglycerides in adipose
What drives glucose from the bloodstream into the cells? –
insulin
What chemicals can be produced in dangerous excess in a patient taking metformin
because of its effects of decreasing the liver's participation in the Cori Cycle? –
lactic acid