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MCAT Word List # MCAT/M24

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  Word Explanations emergency, cytoplasm, secondary structure, cerebral cortex, loin, ossification, glass, adenylate cyclase, alpha helix, ear wax


   
Explanation of emergency (noun)
form plural: emergencies

a situation where action must be taken straight away

Sample of emergency
In an emergency you should act quickly.



   
Explanation of cytoplasm (noun)
form plural: cytoplasms

all the contents of the cell except the nucleus

Sample of cytoplasm
The cytoplasm is a jelly-like substance that surrounds the nucleus.



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

the coiling of the peptide chains in a protein in specific ways

Sample of secondary structure
The secondary structure of a protein sheet may be that of an alpha helix or a beta pleated sheet.



   
Explanation of cerebral cortex (noun)
form: no plural

outer covering of the cerebrum responsible for consciousness, memory, intellect, voluntary activity and sensory perception

Sample of cerebral cortex
The cerebral cortex makes up 40%of the brain by weight.



   
Explanation of loin (noun)
form plural: loins

area at the side of the abdomen between the lowest rib and the top of the buttocks

Sample of loin
Loin pain may indicate a kidney problem.



   
Explanation of ossification (noun)
form plural: ossifications

hardening of soft tissue into bonelike tissue

Sample of ossification
In the embryonic development ossification takes place, a process during which connective tissue is transformed into bones.



   
Explanation of glass (noun)
form plural: glasses

ceramic material made from heating silica and oxides in a furnace and then cooling and setting it

Sample of glass
As the liquid glass cools back to its melting point atom movement becomes restricted and disordered so it can be molded into shapes. As the glass cools further it sets hard.



   
Explanation of adenylate cyclase (noun)
form: no plural

enzyme which changes ATP to cyclic AMP

Sample of adenylate cyclase
When adenylate cyclase acts on ATP cyclic AMP and pyrophosphate are formed.



   
Explanation of alpha helix (noun)
form plural: alpha helices

secondary structure of a protein where the polypeptide chain has formed spirals

Sample of alpha helix
The folds in the alpha helix are generally held together by hydrogen bonds.



   
Explanation of ear wax (noun)
form: no plural

substance secreted in the outer ear canal by special glands

Sample of ear wax
The technical name for earwax is cerumen.



  Explain the words emergency, cytoplasm, secondary structure, cerebral cortex, loin, ossification, glass, adenylate cyclase, alpha helix, ear wax

  Preparation book: Pocket Companion to Accompany Emergency Medicine

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     MCAT verbal word list: Vocabulary Websites: Noun List         MCAT prep test: Word games free: Online Nouns Game         MCAT Practice: (printable version)         Meaning of emergency, cytoplasm, secondary structure, cerebral cortex, loin, ossification, glass