Bio 161 Psu Exam 1 Questions And
Answers With Verified Solutions Already
Passed!!!
homeostasis - ANSWER✔✔ the body's ability to maintain a constant environment
four major categories of organic molecules - ANSWER✔✔ carbohydrates, lipids,
proteins, nucleic acids
monomer - ANSWER✔✔ single molecular unit of a polymer
polymer - ANSWER✔✔ molecule containing many repeating single molecules
(monomers)
three main types of lipids - ANSWER✔✔ triglycerides, phospholipids, steroids
function of phospholipids - ANSWER✔✔ cell/organelle membranes
composition of phospholipids - ANSWER✔✔ fatty acids, phosphate group,
glycerol
function of triglyerides - ANSWER✔✔ energy storage and insulation
composition of triglycerides - ANSWER✔✔ 1 glycerol and 3 fatty acids
protein - ANSWER✔✔ polymer of amino acid monomer
nucleic acids - ANSWER✔✔ function hereditary (DNA) and protein synthesis
(RNA)
gene expression - ANSWER✔✔ making proteins from our DNA
transcription - ANSWER✔✔ makes a working copy of the gene (RNA)
cytoplasm - ANSWER✔✔ -fluid inside cell
-location of many cellular reactions including some with cellular respiration
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