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MCAT Word List # MCAT/M67

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Explanation of tissue (noun)
form plural: tissues

a group of cells with the same shape and function

Sample of tissue
Muscle cells group together to form muscular tissue that helps us move.



   
Explanation of hydration (noun)
form: no plural

addition of water to a molecule without hydrolysis

Sample of hydration
Hydration is a solvation process in which water is the main solvent.



   
Explanation of reactant (noun)
form plural: reactants

substance that is taking part in a chemical reaction

Sample of reactant
The reactants of an equation are usually written on the left side of an equation.
In combination reactions two or more reactants form one product.



   
Explanation of sucrose (noun)
form: no plural

sugar we add to food to sweeten it

Sample of sucrose
Sucrose is hydrolysed to form glucose and fructose.



   
Explanation of neck (noun)
form plural: necks

narrow area containing the neck vertebrae; which connects the head to the trunk

Sample of neck
The neck must support the head.



   
Explanation of mitral valve (noun)
form plural: mitral valves

valve that controls blood flow between the left atrium and the left ventricle in the heart

Sample of mitral valve
The mitral valve closes while the left ventricle contracts.



   
Explanation of cis-trans isomers (noun)
form: only plural

isomers that have identical covalent arrangements but are different with regard to the arrangement of their groups in space

Sample of cis-trans isomers
Cis-trans isomers are also called geometrical isomers.

Medical term cis-trans isomers
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of acid-base indicator (noun)
form plural: acid-base indicators

weak acid or base that changes color according to the pH of the solution

Sample of acid-base indicator
When put in a solution the acid-base indicator gains or loses protons depending on the Ph and changes its color.

Medical term acid-base indicator
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Explanation of hemorrhage (noun)
form plural: hemorrhages

blood loss due to vessel wall damage

Sample of hemorrhage
Rupture of a major blood vessel will lead to massive hemorrhage.



   
Explanation of hemoglobin (noun)
form: no plural

a chemical that carries oxygen in red blood cells

Sample of hemoglobin
Hemoglobin and oxygen combine in the lungs to form oxyhemoglobin.



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