Intro Biochem Quiz

Question 0

Polar molecules

Answer 0

Covalent molecules with charged ends due to unequal sharing of electrons

Question 1

Organic

Answer 1

Compound containing carbon

Question 2

pH scale

Answer 2

Measures the concentration of hydrogen ions

Question 3

Structural formulas

Answer 3

Show how an atoms molecules are arranged

O=C=O

Question 4

Monomer

Answer 4

A small compound that can be joined with other small compounds

Question 5

Macromolecules

Answer 5

Large organic biological compounds

Question 6

Acid

Answer 6

Substances that release H+ when dissolved in water

Question 7

Functional group

Answer 7

Groups of specific molecules that when attached to an organic compound provide a new property

Question 8

Hydroxyl group

Answer 8

C-OH

Hydrophilic

Question 9

Amino group

Answer 9

C-NH2

Basic functional group

Question 10

Acidic functional group

Answer 10

Carboxyl

C-COOH

Question 11

Isomer

Answer 11

Compounds with the same formula but different structures

Question 12

Hydrolysis

Answer 12

Process where monomers bond to form a polymer and release water

Question 13

Polymer

Answer 13

Large compound made from repeating monomers

Question 14

Hydropholic

Answer 14

Attracted to water

Question 15

What is formed during a dehydration reaction

Answer 15

A polymer and water

Question 16

Substance that resists a change in pH

Answer 16

Buffer

Question 17

Hydroxide ion

Answer 17

Released by a base

OH-

Question 18

The charges on water (H2O)

Answer 18

Hydrogen = positive 
Oxygen = negative

Question 19

How does water dissolve salt

Answer 19

The water molecules pull apart the salt atom

Question 20

2 functional groups

Answer 20

Carboxyl - involves carbon (COOH)

Amino - involves nitrogen (NH3)

Question 21

Amino acid

Answer 21

Monomer of protein

Question 22

Atom

Answer 22

Building block of matter

Question 23

Carbohydrate

Answer 23

Organic compound with a 2:1 ratio of hydrogen atoms to oxygen atoms

Question 24

Compound

Answer 24

Composed of two or more atoms chemically bonded together

Question 25

Covalent bonds

Answer 25

Formed when atoms share electrons

Question 26

Disaccharide

Answer 26

Two monosaccharides bonded together

Question 27

DNA

Answer 27

Nucleotides acid that stores genetic information

Question 28

Electron cloud

Answer 28

Area around the nucleus of an atom where electrons are located

Question 29

Ionic bond

Answer 29

Formed when atoms take electrons from another creating atoms with positive or negative charges

Question 30

Isomer

Answer 30

Molecules that have the same chemical formula but different structures

Question 31

Lipid

Answer 31

Organic compound composer of carbon, hydrogen, and oxygen with few oxygen atoms

Question 32

Matter

Answer 32

Anything that has mass and takes up space

Question 33

Molecule

Answer 33

Simplest form of a compound

Question 34

Monosaccharide

Answer 34

Simple sugar

Question 35

Nuclear acid

Answer 35

Organic compound that is composed of sugar, phosphate group, and a nitrogen containing base

Question 36

Nucleus

Answer 36

Central region of atom where protons and neutrons are located

Question 37

Peptide bond

Answer 37

Connects amino acids

Question 38

Polypeptide

Answer 38

Long chain of amino acids

Question 39

Polysaccharide

Answer 39

Long chain of monosaccharides

Question 40

Protein

Answer 40

Organic compound composed of carbon, hydrogen, oxygen, and nitrogen

Question 41

R group

Answer 41

Part of an amino acid that varies

Question 42

Saturated fat

Answer 42

Lipid that has carbon atoms connected with single bonds

Question 43

Unsaturated fat

Answer 43

Lipid that has some double bonds connecting carbon atoms

Question 44

Condensation reaction

Answer 44

Reaction that joins small molecules into larger ones and releases a water molecule