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MCAT Word List # MCAT/M123

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Explanation of jet lag (noun)
form: no plural

the symptoms experienced on long flights when crossing time zones

Sample of jet lag
Jet lag is worse flying east.



   
Explanation of organ system (noun)
form plural: organ systems

a coordinated group of tissues and organs

Sample of organ system
The circulatory system is an example of an organ system.



   
Explanation of abbreviation (noun)
form plural: abbreviations

shortening

Sample of abbreviation
In physics there are prefix abbreviations for metric systems.



   
Explanation of isoelectric point (noun)
form: no plural

pH at which the electrolyte concentration of an amphoteric substance such as protein is electrically zero

Sample of isoelectric point
A protein may be characterized by its isoelectric point being the pH at which its net charge is zero.

Medical term isoelectric point
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of molecular mass (noun)
form: no plural

this is the sum of the atomic masses of its constituents

Sample of molecular mass
The molecular mass of water is 18.



   
Explanation of tubule (noun)
form plural: tubules

small, cylinder which is hollow

Sample of tubule
The seminiferous tubules are part of the testis.



   
Explanation of vitreous body (noun)
form plural: vitreous bodies

jelly-like area between the lens and the retina at the back of the eyeball

Sample of vitreous body
The vitreous body forms the largest part of the eye.



   
Explanation of calcium (noun)
form: no plural

chemical element with the symbol Ca which is used to make bones and teeth

Sample of calcium
Calcium plays a role in muscle contraction, nerve conduction and blood clotting.



   
Explanation of function (noun)
form plural: functions

job; role; purpose

Sample of function
The function of an enzyme is to catalyze a biological reaction.



   
Explanation of gene (noun)
form plural: genes

control characteristics of the plant

Sample of gene
Genes are passed on in chromosomes.



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