Biology 102- Mini Exam Study Guide

Front 1

Control:

Back 1

portion of an experiment which all possible variables are held constant

Front 2

Dehydration Synthesis:

Back 2

covalent bonding of two molecules that forms water in process

Front 3

Fats:

Back 3

type of lipid composes of 3 saturated fatty acids covalently bonded to glycerol

Front 4

Functional Groups:

Back 4

group of atoms commonly found in organic molecules that determine characteristcs and chemical reactivity of molecule to which its attached

Front 5

glycogen:

Back 5

highly branched polymer of glucose

Front 6

hydrolysis:

Back 6

splitting of two covalently bonded molecules through addition of water

Front 7

hypothesis:

Back 7

tentaive, testable explanation of an observed even based on an educated guess about its cause

Front 8

Lipids:

Back 8

biological molecule
-nonpolar
-carbon and hydrogen
-fats, oils, waxes, phospholipids, steroids

Front 9

monosacharrides:

Back 9

single sugar
-composed of carbon atoms bonded to hydrogen and hydroxyl group

Front 10

Nucleotide:

Back 10

subunit of nucleic acids
composed of phosphate, pentose sugar, and nitrogen based atoms

Front 11

Oils:

Back 11

lipid made up of three fatty acids
-covalently bonded to molecule of glycerol

Front 12

Peptide bond:

Back 12

covalent bond between two amino acids

Front 13

Proteins:

Back 13

biological molcules
-polymers composed of amino acids
-joined by peptide bonds

Front 14

Starch:

Back 14

pollysaccharide
-long chains of glucose molecule
-used by plants

Front 15

surface tension:

Back 15

liquid is able to form more or less "break" resistant surface due to cohesion between water molecules

Front 16

Variable:

Back 16

factor in scientific experiment that can be manipulated in order to test an hypothesis

Front 17

Waxes:

Back 17

lipid composed of fatty acids that are covalently bonded to long-chain alcohols