FNDH 620 - Exam 1 UPDATED Exam Questions and CORRECT Answers only
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Course
FNDH 620
Institution
FNDH 620
FNDH 620 - Exam 1 UPDATED Exam
Questions and CORRECT Answers only
What are the proportions of body mass of the 4 major elements? - CORRECT AnswerOxygen 63%
Carbon 18%
Hydrogen 9%
Nitrogen 3%
Approximately what percentage of the human body is water? - CORRECT Answer- Water
55-65%
What are...
What is cholesterol's roll in the cell membrane? - CORRECT Answer- Amphipathic
Enhances stability of plasma membranes
Integral membrane protein and function - CORRECT Answer- Transmembrane, amino acids
with non polar side chains allow to pass through
Ion channels, carriers, active transporters, receptors, enzymes
Move ions and other molecules that can't cross membrane
Peripheral proteins and their typical functions. - CORRECT Answer- Found only on one side
of the bilayer, typically inside edge of the cell
, Enzymes
ATP is produced where - CORRECT Answer- Mitochondria
What is the function of an enzyme? - CORRECT Answer- Catalyzes reaction
What is the function of a hormone? - CORRECT Answer- Long distance transporter
Substrate level phosphorylation - CORRECT Answer- Reaction forming ATP by the direct
transfer of a phosphate group to ADP
Oxidative phosphorylation - CORRECT Answer- ATP formed from the transfer of electrons
from NADH or FADH2 to O2 by electron carriers
ETC
Function of NADH and FADH2 - CORRECT Answer- Electron transport
Enterocytes - CORRECT Answer- Line villi
Specialized for digestion and absorption
Brush border enzymes: lactase, maltase, sucrase, alpha 1-6 dextrinase, enterokinase
Protease inside
How the surface area of the small intestine is increased and by how much. - CORRECT
Answer- Folds of Kerckring 3x
Villi 10x
Microvilli 20x
Total 600x
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