1st Test

Question 1

This measure the hydrogen ion level of a solution

Answer 1

Ph

Question 2

What kind of solution contains more hydrogen ions than hydroxide ions

Answer 2

Acid

Question 3

This is the name for a compound with many sugar sub units linked together

Answer 3

Poly-saccirhide / carbohydrate

Question 4

What are the positively charged particles of a nucleus called

Answer 4

Proton

Question 5

This is the name given to an amino acid added to a dipeptide

Answer 5

Tripeptide

Question 6

Of what kind of organic compound are oils, waxes, And fats an example

Answer 6

Lipids

Question 7

These are the individual subunits that make up DNA and RNA

Answer 7

Nucleotides

Question 8

What is a long chain of amino acids called

Answer 8

Protein

Question 9

What type of bond involves the sharing of electrons

Answer 9

Covalent

Question 10

What sugar does DNA contain

Answer 10

Deoxyribose

Question 11

When the ph is greater than 7, it is called this

Answer 11

Acid

Question 12

What sugar does rna contain

Answer 12

Ribose

Question 13

Negatively charged particles of an atom are called this

Answer 13

Electrons

Question 14

This is the name for the region where the substrate binds to the enzyme

Answer 14

Active site/ bonding site

Question 15

These are the individual subunits that make up proteins

Answer 15

Amino acids

Question 16

This nucleic acid stands for ribonucleic acid

Answer 16

RNA

Question 17

The nucleic acid stores genetic information

Answer 17

DNA

Question 18

Name for reactants that are affected by an enzyme

Answer 18

Substrate

Question 19

Name for any substance that speeds up the rate of a chemical reaction

Answer 19

Catalyst

Question 20

One sugar

Answer 20

Monosaccharide

Question 21

Sugars starches and cellulose belong to this category

Answer 21

Carbohydrates

Question 22

Two amino acids joined together by a peptide bond is called this.

Answer 22

Dipeptide

Question 23

DNA and rna belong to this category of biological molecules

Answer 23

Nucleic acids

Question 24

Name for an electrically charged atom

Answer 24

Ion

Question 25

When the ph equals 7, it is said to be this

Answer 25

Neutral

Question 26

Atom

Answer 26

Smallest particle of matter

Question 27

Ion

Answer 27

Atoms that gain or lose electrons in chemical reactions

Question 28

Electron

Answer 28

Negatively charged particles moving around the nucleus

Question 29

Molecule

Answer 29

A group of atoms held together by covalent bonds

Question 30

Chemical bond

Answer 30

Force holding two atoms together resulting from a chemical reaction

Question 31

Covalent bond

Answer 31

Chemical bond which atoms share electrons

Question 32

Ionic bknd

Answer 32

Force of attraction between opposite charged ions

Question 33

Macromolecule

Answer 33

Composed of molecules joined together in one large molecule

Question 34

Organic compound

Answer 34

Molecules with carbon — carbon bonds

Question 35

Element

Answer 35

A pure substance composed of only one type of atom

Question 36

The most abundant compound in most living things is

Answer 36

Water

Question 37

The region on an enzyme to which a substrate binds is called the

Answer 37

Active site/ bonding site

Question 38

A chemical bond in which two atoms share a pair of electrons is referred to as a _____ bond

Answer 38

Covalent

Question 39

All matter occupies space and has

Answer 39

Mass

Question 40

Proteins are synthesized from amino acids in long Chan’s called

Answer 40

Polypeptides

Question 41

What type of biological molecule is an enzyme

Answer 41

Protein