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BMSC207 Test -Human Physiology with Questions Solved with 100% Correct Answers
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BMSC207 Test -Human Physiology withQuestions Solved with 100% Correct
Answers
when there is more protein than lipid - Answer more metabolically active
- the inner membrane of the mitochondria is 3/4 protein
fluid mosaic model - Answer The currently accepted model of cell membrane structure,
which envisions the membrane as a mosaic of individually inserted protein molecules
drifting laterally in a fluid bilayer of phospholipids.
- singer and nicolson in 1972
what size are cell membrane thickness - Answer 8nm
what are the 3 lipids that make up the cell membrane - Answer phospholipids,
sphingolipids and cholestrol
phospholipids - Answer a lipid consisting of a glycerol backbone bound to two fatty
acids and a phosphate group.
- amphiphatic
- micelles: small, single layer of phospholipids and important in digestion
- liposomes: larger, bilayer with a hollow centre and a aqueous core, used as a
medium to deliver drugs, artifically
,sphingolipids - Answer fatty acid tails with their heads being either phospholipids
or glycolipids
- slightly longer than phospholipids
- amphiphatic
cholestrol - Answer insert themselves between hydrophilic heads
- help make membranes impermeable to small water soluble molecules
- keep membrane flexible over a range of temps
- increase the viscosity (hard to cross)
- amphiphatic
Physiology is the study of - Answer the normal functioning of a living organism and
its component part. including all chemical and physical processes
What does physiology literally mean? - Answer Knowledge of nature
emergent properties - Answer cannot predict properties based on only knowledge of
the system's individual components
An integrative science - Answer integration of function across many levels
of organization
Physiology is closely tied to ______? Why? - Answer Physiology is closely tied to
anatomy. Structure of a cell, tissue or organ must provide a physical base for function
cells - Answer the smallest unit of structure capable of carrying out life processes
tissue - Answer collection of cells carrying out related functions
, organ - Answer formation of tissues into a structural/ functional unit
organ system - Answer integrated groups of organs
Function - Answer "Why" of a system
Teleological approach - Answer describe purpose not mechanism
Mechanism - Answer "how" of a system
mechanistic approach - Answer explain the mechanisms underlying the
physiological events
translational research - Answer applies basic biomedical research findings to
treatment and prevention of disease
pathophysiology - Answer study of body in a disease state
diabetes mellitus - Answer abnormally high blood glucose concentration
homeostasis - Answer maintain a relatively stable internal environment in spite of
exposure to external variability
who coined homeostasis - Answer Walter Cannon
Homeo - Answer like/similar
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