Pa Keystone Biology Vocabulary

Silent mutation – a mutation in which there is not effect on the polypeptide chain created
The actions of your traits or what your traits are made up is? – proteins
endocrine – Ductless glands that secrete hormones directly into the bloodstream, where they are transported to cells containing specific receptor cites.
Primary consumer – an organism in a food chain that feed on producers
root pressure – As the active transport of minerals into the root increases its solute concentration, water continues to enter through osmosis. This ongoing process results in a continued net movement of water into the root cells. As pressure builds up, water and dissolved nutrients are pushed up the stem.
mixture – a combination of two or more substances in which each substance retains its individual characteristics and properties
fatty acid – A common lipid composed of a chain of 14-28 carbon atoms with a carboxyl group on the end.
Glycolysis – The multistep chemical breakdown of a molecule of glucose into two molecules of pyruvate; the first stage of cellular respiration in all organisms; occurs in the cytoplasmic fluid.
Fragile X syndrome is caused by an increase in CGG repeats in the second exon of the FMRI gene.
prion – An infectious form of protein that may multiply by converting related proteins into more prions. Prions cause several related diseases in different animals, including scrapie in sheep and mad cow disease.
Meningitis – Inflammatory response of the covering of the brain
lipids – large macromolecules composed composed of mostly carbon and hydrogen and very little oxygen (ex. fats, waxes and oils)
Frаgile X syndrоme is cаused by аn increase in CGG repeats in the secоnd exоn of the FMRI gene.
Cytolysis – the bursting of a cell

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