Biochemistry

Question 1

Compounds

Answer 1

Composed of two or more different elements bounded together chemically

Question 2

H+

Answer 2

Hydronium Ion

Question 3

OH-

Answer 3

Hydroxide Ion

Question 4

Low pH

Answer 4

More H+

Question 5

High pH

Answer 5

More OH-

Question 6

Neutralization Reaction

Answer 6

HCL (acid) + NaOH (base) –> NaCl (salt) + H2O (water)

Question 7

Buffer

Answer 7

A solution that can resist an keep pH constant

Question 8

Litmus Paper

Answer 8

acid = red
base = blue
neutral = stay the same

Question 9

pH Paper

Answer 9

Shows exact pH

Question 10

Phenolphthalein

Answer 10

Tests for bases only, turns bright pink

Question 11

Bromothymol Blue

Answer 11

Tests for acids, turns yellow
Detect the presence of CO2; pH decreases, CO2 increases

Question 12

Benedict’s (Fehling’s) Solution

Answer 12

Detect the presence of simple sugars (glucose),
blue = none
green = a little
orange red = average amount
brick red = a lot

Question 13

Iodine (Lugol’s) Solution

Answer 13

Detect the presence of starch,
yellow/tan = none
blue black = contains starch

Question 14

Organic compounds

Answer 14

Carbohydrates, Lipids, Proteins, Nucleic Acids

Question 15

Inorganic compounds

Answer 15

Water, Salts, Acids and Bases

Question 16

Carbohydrate: Elements

Answer 16

CHO

Question 17

Carbohydrate: Ratio of CHO

Answer 17

1:2:1

Question 18

Carbohydrate: Function

Answer 18

Short term energy

Question 19

Carbohydrate: Building Block

Answer 19

Monosaccharides

Question 20

Lipids: Elements

Answer 20

CHO

Question 21

Lipids: Building Block

Answer 21

Fatty Acids and Glycerol

Question 22

Lipids: Function

Answer 22

Long term energy, reserve energy, warmth, protection for organs, insulation

Question 23

Polymer

Answer 23

Large molecules

Question 24

Carbohydrate: Examples

Answer 24

Fruits, tree sap, honey

Question 25

Carbohydrate: Shape

Answer 25

Ring

Question 26

Lipid: Shape

Answer 26

Linear

Question 27

Lipid: Saturation

Answer 27

Saturated or unsaturated

Question 28

Lipid: Examples

Answer 28

fats and oils

Question 29

Components of the cell membrane

Answer 29

Proteins and Lipids

Question 30

Protein: Elements

Answer 30

CHON

Question 31

Protein: Building Block

Answer 31

Amino Acid

Question 32

Protein: Function

Answer 32

Growth, repair, enzymes

Question 33

Non-Polar

Answer 33

Proteins and Lipids

Question 34

Polar

Answer 34

Carbohydrates and Nuclei acids

Question 35

Nuclei Acids: Elements

Answer 35

CHONP

Question 36

Nuclei Acids: Function

Answer 36

Carries and stores genetic codes

Question 37

Dehydration Synthesis

Answer 37

Water is removed to make bonds

Question 38

Hydrolysis

Answer 38

Water is added to break bonds

Question 39

Proteins depends on

Answer 39

type and order of amino acids

Question 40

Protein: Nickname

Answer 40

Polypeptide

Question 41

Nucleotides structure

Answer 41

Base, deoxyribose, phosphate group

Question 42

Amino group

Answer 42

NH2

Question 43

Carboxyl group

Answer 43

COOH

Question 44

Side chain

Answer 44

R Group

Question 45

Acid

Answer 45

0 - 6.9

Question 46

Base

Answer 46

7 - 7.9

Question 47

Base

Answer 47

8 - 14

Question 48

Monosaccharide

Answer 48

Glucose

Question 49

Polysaccharide

Answer 49

Starch, cellulose

Question 50

Enzymes

Answer 50

Proteins made by organisms to speed up the rate of chemical reactions

Question 51

Factors that affect Enzyme Reaction Rates

Answer 51

Temperature, pH, Inhibitors, Substrate Concentration