MCAT Vocabulary # MCAT/M23

n. global warming
(a) a blood vessel that carries blood from the tissues to the heart
(b) the largest part of the brain containing the two cerebral hemispheres
(c) upper area of the alimentary canal
(d) gradual warming of the atmosphere perhaps due to the 'greenhouse effect'
 
n. head
(a) a coordinated group of tissues and organs
(b) the form in which creatine is excreted from the body
(c) one of the building blocks of fats; an alcohol with three carbons and three hydroxyl groups
(d) the part of the body that sits on top of the neck
 
n. glycogen
(a) bond between two atoms where electrons are exchanged between them
(b) the space taken up by something
(c) the polysaccharide in which glucose is stored in animal tissues
(d) collection of tissues that perform a specialized function
 
n. quaternary structure
(a) the final shape of an active protein molecule made up of two or more polypeptide chains
(b) production of an ova
(c) tiny branches of air tubes within the lungs
(d) smallest unit of a chemical element which holds the properties of that element
 
n. commensal
(a) lower limb used for walking
(b) form of food poisoning caused by the botulinum toxin which attacks the nervous system
(c) an organism that exists in symbiotic relationship to its host
(d) characteristic of a molecule being unable to superimpose it on its mirror image

n. antibody
(a) proteins joined to carbohydrate that are found on the surface of cells
(b) protein made by white blood cells, in response to a particular antigen attack, in order to make the antigen harmless
(c) fibers located throughout the cytoplasm of a cell
(d) any reaction occurring between atoms or compounds can be written with the reactants on the left and the products on the right separated by arrows showing the direction of the reaction
 
n. assortative mating
(a) nonrandom mating in which individuals engage in mating having more traits incommon than in random mating
(b) the general weather patterns or tendencies of an area
(c) disease where cells divide at an excessive rate and become abnormal in function; malignancy; neoplasm
(d) tissue composed of flat cells connected by a thin membrane
 
n. trauma
(a) a physical injury or accident inflicting pain
(b) an organism that exists in symbiotic relationship to its host
(c) synthetic replacement for an internal human body part
(d) painful spasm of the muscle
 
n. meiosis
(a) an unstable; reactive gas which has oxidative properties
(b) a unit of molecular mass
(c) a hormone produced by the pancreas that helps control the blood glucose level
(d) cellular division that produces reproductive cells with only half the number of chromosomes
 
n. glycerol
(a) a hormone produced by the pancreas that helps control the blood glucose level
(b) the end of life and all functions
(c) one of the building blocks of fats; an alcohol with three carbons and three hydroxyl groups
(d) an amino acid