lab 4

Question 1

molecules that contain two or more carbon atoms bonded together

Answer 1

organic molecules

Question 2

atoms share a pair of electrons and can be classified as either polar or non polar

Answer 2

covalent

Question 3

pair of electrons NOT shared equally

Answer 3

polar

Question 4

pair of electrons shared equally

Answer 4

non polar

Question 5

dische diphenylamine

Answer 5

reagent that tests specifically for the presence of deoxyribose sugar found in DNA

Question 6

has three different parts: a sugar, a phosphate group, and a nitrogenous base

Answer 6

nucleotide

Question 7

can be used to test for the presence of peptide bonds found in proteins

Answer 7

biuret reagent

Question 8

when a proteins structure is destroyed

Answer 8

denatured

Question 9

amino acids held together by covalent bonds

Answer 9

peptide bonds

Question 10

building blocks or monomers that make up all proteins

Answer 10

amino acids

Question 11

gain of electron

Answer 11

reduction

Question 12

loss of electron

Answer 12

oxidation

Question 13

monosaccarides or disaccharides that contain a free aldehyde or ketone group

Answer 13

reducing sugars

Question 14

used to test for reducing sugars

Answer 14

Benedict’s reagent

Question 15

formed when 3 or more monosaccharides are covalently bonded together

Answer 15

polysaccharide

Question 16

2 monosaccharides bonded together using dehydration synthesis

Answer 16

disaccharides

Question 17

monomers that make up carbohydrates “simple sugars”

Answer 17

monosaccharides

Question 18

organic molecules that are important for energy storage and structural support

Answer 18

carbohydrates

Question 19

data that deals with numbers and is generated by taking measurements

Answer 19

quantitative

Question 20

data generated by observing and describing the results and does not generate numeric values

Answer 20

qualitative

Question 21

does NOT contain molecule you are testing for and does NOT react with the reagent

Answer 21

negative control

Question 22

contains the organic molecule you are testing for

Answer 22

positive control

Question 23

verify that the reaction is working and provide comparisons for what positive and negative results will look like

Answer 23

controls

Question 24

what is being tested

Answer 24

unknown solution

Question 25

when polymers are broken down into individual monomers… requires the addition of a hydrogen atom and a hydroxyl group from water and release energy when they occur

Answer 25

hydrolysis

Question 26

occurs when a hydrogen atom and a hydroxl group are removed, forming water and two monomers that are bonded together through covalent bonds

Answer 26

dehydration synthesis