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MCAT Word List # MCAT/W70

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Description of absorb (verb: absorbed; absorbed; absorbing)
to take in; to take up

Samples of absorb
The large intestine absorbs water back into the blood.



   
Description of PH (abbreviation: from p, denoting negative logarithm, and H, denoting hydrogen)
this value describes the degree of acidity or basicity of a solution

Samples of PH
The lower the value of the PH the more acidic the solution is (the higher the value the more alkaline it is). A neutral solution has a PH of 7.



   
Description of dorsal (adjective: more dorsal; most dorsal; the most dorsal)
relating to the back surface; posterior

Samples of dorsal
Fishes usually have dorsal fins.



   
Description of halide ions (noun: only plural)
these are ions of the halogen elements

Samples of halide ions
Halide ions include fluoride, chloride and bromide ions.

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


   
Description of decomposer (noun: plural: decomposers)
microbe that causes decay

Samples of decomposer
Decomposers are vital to an ecosystem.



   
Description of propanone (acetone) (noun: no plural)
a ketone used as a solvent

Samples of propanone (acetone)
Propanone is used in the manufacture of polymers.

Determination of propanone (acetone)
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Description of physician (noun: plural: physicians)
medical practitioner who treats and diagnoses diseases by non-surgical methods

Samples of physician
Physicians may prescribe drugs to help treat a patient.



   
Description of enzyme (noun: plural: enzymes)
a protein that is made in the body and speed up biochemical reactions

Samples of enzyme
Enzymes act as catalysts as they are not used up in the reaction.



   
Description of variation (noun: plural: variations)
something that is different from a group; different from what is normal

Samples of variation
There is diurnal variation in blood pressure and temperature.



   
Description of chromatin (noun: no plural)
nucleic substance that condenses to make chromosomes during mitosis

Samples of chromatin
Chromatin is found in the nucleus and is made up of histones and DNA.



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