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MCAT Word List # MCAT/W55
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Description of
nephron
(noun: plural: nephrons)
filtering unit in the kidney; part of the kidney which removes waste products from the blood
Samples of
nephron
The nephron filters waste products from the blood and forms urine.
Each kidney consists of one million nephrons.
Determination of
nephron
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Description of
emergency
(noun: plural: emergencies)
a situation where action must be taken straight away
Samples of
emergency
In an emergency you should act quickly.
Determination of
emergency
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Description of
reproductive system
(noun: plural: reproductive systems)
system of sex organs (testis and ovary) and associated structures
Samples of
reproductive system
The reproductive system allows the human race to continue.
Determination of
reproductive system
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Description of
saliva
(noun: only plural)
digestive juice made by the salivary gland
Samples of
saliva
Saliva is needed to help breakdown food.
Determination of
saliva
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Description of
eyelid
(noun: plural: eyelids)
fold of skin that protects the eyeball
Samples of
eyelid
The medical term for eyelids is palpebrae.
Determination of
eyelid
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Description of
by-product
(noun: plural: by-products)
a secondary substance made in the process of creating a primary one
Samples of
by-product
Oxygen is a byproduct of photosynthesis.
Determination of
by-product
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Description of
primary structure
(noun: plural: primary structures)
the sequence of amino acids in a protein
Samples of
primary structure
The primary structure of insulin is 51 amino acids in two long chains which are joined.
Determination of
primary structure
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Description of
mutation
(noun: plural: mutations)
a change in a chromosome or a gene
Samples of
mutation
A mutation results when the nucleus copies its chromosomes incorrectly.
Determination of
mutation
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Description of
carbohydrate
(noun: plural: carbohydrates)
compound made from plants containing carbon, hydrogen and oxygen
Samples of
carbohydrate
Carbohydrates, for example, starch, are an important source of energy.
Determination of
carbohydrate
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Description of
insomnia
(noun: no plural)
inability to sleep
Samples of
insomnia
Stress may lead to insomnia.
Determination of
insomnia
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