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MCAT Word List # MCAT/M23

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  Word Explanations global warming, head, glycogen, quaternary structure, commensal, antibody, assortative mating, trauma, meiosis, glycerol


   
Explanation of global warming (noun)
form: no plural

gradual warming of the atmosphere perhaps due to the 'greenhouse effect'

Sample of global warming
Increasing carbon dioxide in the air may have contributed to global warming.



   
Explanation of head (noun)
form plural: heads

the part of the body that sits on top of the neck

Sample of head
The head contains the brain and important sense organs, for example the eyes.



   
Explanation of glycogen (noun)
form: no plural

the polysaccharide in which glucose is stored in animal tissues

Sample of glycogen
Glycogen is stored in liver and muscle in man.



   
Explanation of quaternary structure (noun)
form plural: quaternary structures

the final shape of an active protein molecule made up of two or more polypeptide chains

Sample of quaternary structure
Hemoglobin has a quaternary structure.



   
Explanation of commensal (noun)
form plural: commensals

an organism that exists in symbiotic relationship to its host

Sample of commensal
A commensal organism is beneficial to its host, e.g. gut bacteria which manufacture vitamin K within the body.



   
Explanation of antibody (noun)
form plural: antibodies

protein made by white blood cells, in response to a particular antigen attack, in order to make the antigen harmless

Sample of antibody
Antibody reaction is the basis of immunity, allergy, tissue and organ rejection.



   
Explanation of assortative mating (noun)
form: no plural

nonrandom mating in which individuals engage in mating having more traits incommon than in random mating

Sample of assortative mating
Assortative mating refers to nonrandom, but selected mating according to criteria such as phenotype and proximity.



   
Explanation of trauma (noun)
form plural: traumata

a physical injury or accident inflicting pain

Sample of trauma
RTAs are a major cause of trauma.



   
Explanation of meiosis (noun)
form: no plural

cellular division that produces reproductive cells with only half the number of chromosomes

Sample of meiosis
Meiosis is vital so that when the male and female gametes meet the number of chromosomes of the offspring remains the same as that of the parents.



   
Explanation of glycerol (noun)
form: no plural

one of the building blocks of fats; an alcohol with three carbons and three hydroxyl groups

Sample of glycerol
Fat is broken down into fatty acids and glycerol.
Fats contain glycerol and fatty acids.



  Explain the words global warming, head, glycogen, quaternary structure, commensal, antibody, assortative mating, trauma, meiosis, glycerol

  Preparation book: Current Research In Head And Neck Cancer

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     MCAT test: Vocabulary Website: Noun List         MCAT test: Word games: Free Online Nouns Game         MCAT Vocabulary: (printable version)         Meaning of global warming, head, glycogen, quaternary structure, commensal, antibody, assortative mating