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MCAT Word List # MCAT/W42

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Description of carcinogen (noun: plural: carcinogens)
a substance that causes cancer

Samples of carcinogen
Tobacco smoke is a known carcinogen.



   
Description of class (noun: plural: classes)
a group of organisms

Samples of class
A class ranks below a phylum and above an order.



   
Description of transition element (noun: plural: transition elements)
any of the metallic elements having an incomplete inner electron shell

Samples of transition element
In the periodic table transition elements have partly filled d sublevels.

Determination of transition element
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Description of unconsciousness (noun: no plural)
being unable to respond to the environment; being unaware of the environment

Samples of unconsciousness
General anaesthesia induces a state of unconsciousness.

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


   
Description of nail (noun: plural: nails)
hard structure; made of keratin; found on the back of the fingertips

Samples of nail
Nails are formed from the epidermis and so are parts of the integumentary system.



   
Description of globular protein (noun: plural: globular proteins)
the polypeptide chains of the protein are folded into a round shape

Samples of globular protein
Many enzymes are globular proteins.

Determination of globular protein
Dictionary.com · Cambridge Dictionaries · Merriam-Webster · Onelook.com


   
Description of polymer (noun: plural: polymers)
a giant molecule made up of repeated units of monomers

Samples of polymer
Polymers can be broken down to their components by hydrolysis.



   
Description of carbon (noun: no plural)
element that makes up most organic molecules and can form 4 bonds with other atoms

Samples of carbon
Carbon has the chemical symbol C and makes up 18% of a human body.



   
Description of colony (noun: plural: colonies)
collections of bacterial cells

Samples of colony
Bacterial colonies can be cultivated on agar.



   
Description of metabolism (noun: no plural)
all of the energetic reactions that take place in a cell or organism

Samples of metabolism
Cellular metabolism produces energy and raw materials for the cell to renew itself.



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