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MCAT Word List # MCAT/W93

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Description of chromosome (noun: plural: chromosomes)
gene material found in the cell nucleus

Samples of chromosome
Human body cells have 23 pairs of chromosomes.



   
Description of alpha helix (noun: plural: alpha helices)
secondary structure of a protein where the polypeptide chain has formed spirals

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

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


   
Description of eustachian tube (noun: no plural)
tube from the back of the nose to the middle ear

Samples of eustachian tube
The Eustachian tube helps equalize pressure between the ear and the outside air.

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


   
Description of isotope scan (noun: plural: isotope scans)
scan that uses isotopes to measure the function of an organ rather than its structure

Samples of isotope scan
An isotope scan is also called a nuclear scan.

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


   
Description of phosphorus (noun: no plural)
chemical element with the symbol P which helps make up nucleic acids

Samples of phosphorus
Phosphorus helps form bone and has a role in energy storage and transfer.



   
Description of nuclease (noun: plural: nucleases)
an enzyme that catalyzes the breakdown of nucleic acids

Samples of nuclease
Nucleases break the bonds between nucleotides.



   
Description of test (noun: plural: tests)
laboratory profile or analysis to determine the presence or quantity of organisms or substances in the sample

Samples of test
Sometimes diagnoses can be confirmed with tests.



   
Description of bronchitis (noun: no plural)
infection or inflammation of the bronchial tubes

Samples of bronchitis
Viruses are the commonest cause of bronchitis.



   
Description of isotope (noun: plural: isotopes)
atoms of the same element with the same number of protons, different numbers of neutrons and therefore different mass numbers

Samples of isotope
Elements are usually present naturally as a mixture of isotopes.



   
Description of anatomy (noun: plural: anatomies)
the study of the physical structure and arrangement of an organism

Samples of anatomy
Anatomy is an important part of medicine.



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