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MCAT Word List # MCAT/W103

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Description of alanine (noun: no plural)
an amino acid

Samples of alanine
Alanine is a non-essential amino acid.



   
Description of platelet (noun: plural: platelets)
thrombocyte; cytoplasmic body with the function to promote blood clotting

Samples of platelet
Platelets do not consist of nucleins and facilitate clot formation.



   
Description of hydrocarbon (noun: plural: hydrocarbons)
compound that is made up of carbon and hydrogen alone

Samples of hydrocarbon
Important groups of hydrocarbons are the alkanes, alkenes and arenes.

Determination of hydrocarbon
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Description of olefin (noun: plural: olefins)
unsaturated open chain hydrocarbons possessing one or more double bonds

Samples of olefin
Alkenes are also called olefins.



   
Description of dehydration (noun: no plural)
the process of passively losing or actively removing water from something

Samples of dehydration
Exposure to high temperatures can cause dehydration.

Determination of dehydration
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Description of placenta (noun: plural: placentas)
the organ that provides nourishment and helps with waste and gas exchange for the developing fetus

Samples of placenta
The placenta can produce hormones.



   
Description of fibrous protein (noun: plural: fibrous proteins)
the polypeptide chains making up this protein form straight lines

Samples of fibrous protein
Fibrous proteins often have a beta pleated secondary structure which conveys strength.

Determination of fibrous protein
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Description of circulate (verb: circulated; circulated; circulating)
to move around

Samples of circulate
Blood circulates around the body in blood vessels.



   
Description of lacteal (adjective)
related to lymph-carrying vessels

Samples of lacteal
Lacteals lead into the lymphatic system.



   
Description of lumen (noun: plural: lumens)
internal diameter of blood vessels; hole

Samples of lumen
The lumen of arteries is narrowed by arteriosclerosis.



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