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NS 1410 Exam 3: Questions & Verified Answers
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NS 1410 Exam 3: Questions & Verified Answers
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NS 1410 Exam 3: Questions & Verified AnswersMetabolism Right Ans - Sum of all chemical and physical processes by
which the body breaks down and builds up molecules
Anabolism Right Ans - the process of making new molecules from smaller
ones
Catabolism Right Ans - the breakdown or degradation of larger, more
complex molecules to smaller, more basic molecules
What is hydrolysis? Right Ans - Hydrolysis is usually a catabolic process
where a large molecule is broken apart with the addition of water.
What happens in hydrolysis? Right Ans - In hydrolysis, a large molecule is
broken apart with the addition of water.
What is condensation? Right Ans - is a dehydration synthesis, an anabolic
process where water is released as a by-product.
What happens in condensation? Right Ans - water is released as a by-
product in a dehydration synthesis, an anabolic process.
Oxidation Right Ans - Molecule giving up an electron
Reduction Right Ans - Molecule receiving an electron
ATP and its characteristics Right Ans - an organic compound used by cells
as a source of metabolic energy, Energy is stored in the high-energy
phosphate bonds, When broken, they release energy, and is the 'currency'
used by the body for energy
phosphorylation Right Ans - the addition of phosphate group to a
compound
pathways of metabolism Right Ans - Glycolysis, Lipolysis, Cori Cycle,
Gluconeogenesis, Lipogensis, TCA Cycle, Ketone synthesis, Electron Transport
Chain, and Protein deamination
, Glycolysis Right Ans - Initial stage of glucose oxidation (breakdown)
Cori Cycle Right Ans - When oxygen isn't present, the metabolic pathway
takes pyruvate to lactate
Beta-oxidation Right Ans - Long chain fatty acids are broken down into
two-carbon segments that lead to forming acetyl CoA that goes into the TCA
Cycle
Gluconeogenesis Right Ans - Making new glucose from non-carbohydrate
precursors
Primarily from glucogenic amino acids
Maintains blood glucose during sleep, illness, and exercise
Lipogensis Right Ans - Makes fat from non-fat substances such as
carbohydrates, amino acids, and alcohol (Occurs when consuming excess
calories)
TCA Cycle Right Ans - 2nd stage of glucose oxidation
Occurs in the mitachondria
Acetyl CoA enters the TCA cycle, resulting in the release of CO2, GTP, and
reduced coenzymes NADH and FADH2
Ketone synthesis Right Ans - TCS Cycle ONLY functions when there is
adequate oxaloacetate
Electron Transport Chain Right Ans - 3rd and final stage of glucose
oxidation
When oxygen accepts the low energy electrons, reacts with hydrogen, and
forms water
O2 is essential for cellular energy production; without O2, cell metabolism
stops
Protein deamination Right Ans - The process of removing an amino group
from a molecule
pathway of Glycolysis Right Ans - Anaerobic
Pathway of Pyruvate Right Ans - Aerobic
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