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MCAT Word List # MCAT/M65

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  Word Explanations transposon, absorption spectrum, mammary gland, optic nerve, elasticity, haloalkane, oxygen, atom, jaundice, base


   
Explanation of transposon (noun)
form plural: transposons

part of the DNA capable of replicating itself

Sample of transposon
Transposons are mobile pieces of DNA which can insert themselves in genes and cause mutation.



   
Explanation of absorption spectrum (noun)
form plural: absorption spectra

electromagnetic spectrum

Sample of absorption spectrum
In addition to an emission spectrum, every elemet possesses a characteristic absorption spectrum.



   
Explanation of mammary gland (noun)
form plural: mammary glands

gland producing milk in women

Sample of mammary gland
Prolactin stimulates milk production and secretion in female mammary glands.



   
Explanation of optic nerve (noun)
form plural: optic nerves

the nerve that carries messages from the eye to the brain

Sample of optic nerve
Optic nerve damage can result in blindness.



   
Explanation of elasticity (noun)
form: no plural

the ability to return to its original shape after a force is applied

Sample of elasticity
Collagen loses its elasticity with time.



   
Explanation of haloalkane (noun)
form plural: haloalkanes

compound formed by replacing one or more hydrogen atoms in alkanes with halogen atoms

Sample of haloalkane
Chloromethane is an example of a haloalkane.



   
Explanation of oxygen (noun)
form: no plural

chemical element with the symbol O that is needed for respiration

Sample of oxygen
Oxygen makes up most organic compounds and is a gas at room temperature.



   
Explanation of atom (noun)
form plural: atoms

smallest unit of a chemical element which holds the properties of that element

Sample of atom
Atoms combine to form molecules.



   
Explanation of jaundice (noun)
form: no plural

yellow color of the skin due to high levels of bilirubin in the blood

Sample of jaundice
Jaundice is also called icterus.



   
Explanation of base (noun)
form plural: bases

substance that contains hydroxyl ions when dissolved in water

Sample of base
Acids and bases cause color changes in certain substances called indicators.



  Explain the words transposon, absorption spectrum, mammary gland, optic nerve, elasticity, haloalkane, oxygen, atom, jaundice, base

  Preparation book: Advanced bacterial genetics: Use of Transposons

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     MCAT verbal test: Vocabulary Exercises: English Nouns         MCAT practice test: Interactive word games: Free Online Noun Quiz         MCAT Words: (printable version)         Meaning of transposon, absorption spectrum, mammary gland, optic nerve, elasticity, haloalkane, oxygen