Unit 1

Question 1

What is the mean?

Answer 1

The average

Question 2

What is the median?

Answer 2

Middle number of data set

Question 3

What is the mode?

Answer 3

The number that appears the most

Question 4

What do overlapping error bars mean?

Answer 4

No significant difference

Question 5

What is a covalent bond?

Answer 5

Two or more atoms sharing electrons

Question 6

What makes a covalent bond polar?

Answer 6

The unequal sharing of electrons

Question 7

What makes a covalent bond nonpolar?

Answer 7

The equal sharing of electrons

Question 8

What are ionic bonds?

Answer 8

Oppositely charged atoms

Question 9

What are hydrogen bonds?

Answer 9

Two polar covalent atoms with opposite charges

Question 10

What are the properties of water?

Answer 10

Polarity, cohesion, adhesion, capillary action, density, temperature control

Question 11

What is cohesion?

Answer 11

When molecules of the same kind are attracted (ex: polar and polar)

Question 12

Which property creates water surface tension an allows it to go against gravity?

Answer 12

Cohesion

Question 13

What is adhesion?

Answer 13

When one type of molecule clings to a different kind of (ex: polar and nonpolar)

Question 14

Which property allows water to cling to cell walls?

Answer 14

Adhesion

Question 15

what is capillary action?

Answer 15

Upwards movement of water

Question 16

What property is characterized by adhesion being greater than cohesion?

Answer 16

Capillary action

Question 17

What happens when water gets more solid?

Answer 17

It becomes less dense

Question 18

What is a solvent?

Answer 18

Dissolving agent

Question 19

What is the solute?

Answer 19

What’s being dissolved

Question 20

What are polymers?

Answer 20

Repetitive chains of covalently bonded macromolecules

Question 21

What make up polymers?

Answer 21

Monomers

Question 22

What occurs in a dehydration reaction?

Answer 22

Binding with the loss of H20

Question 23

What occurs in a hydrolysis reaction?

Answer 23

Breaking with the addition of H2O

Question 24

What carbohydrate do plants use to store glucose?

Answer 24

Starch

Question 25

What carbohydrate do animals store in livers and muscles?

Answer 25

Glycogen

Question 26

What is the primary structure level of proteins?

Answer 26

Linear chain of amino acids

Question 27

What is the secondary structure level of proteins?

Answer 27

Folding and coiling (alpha helix + beta sheet)

Question 28

What is the tertiary structure level of proteins?

Answer 28

3D folding

Question 29

What is the quaternary structure level of proteins?

Answer 29

Association of two or more polypeptides

Question 30

What makes up a basic nucleic acid?

Answer 30

Nitrogenous base, 5 carbon sugar, phosphate group

Question 31

Characteristics of pyrimidines?

Answer 31

One ring, six atoms

Question 32

Characteristics of purines?

Answer 32

One ring, six atoms connected to one ring, five atoms

Question 33

Which bases are purines?

Answer 33

Guanine, adenine

Question 34

Which bases are pyrimidines?

Answer 34

Cytosine, uracil, thymine (cut)

Question 35

What base pairs with thymine?

Answer 35

Adenine

Question 36

What base pairs with cytosine?

Answer 36

Guanine

Question 37

What base pairs with adenine in RNA?

Answer 37

Uracil

Question 38

How many bonds do adenine and thymine have?

Answer 38

Two hydrogen bonds

Question 39

How many bonds do cytosine and guanine have?

Answer 39

Three hydrogen bonds

Question 40

What kind of bond do peptides use?

Answer 40

Covalent

Question 41

What are the four macromolecules?

Answer 41

Carbohydrates, nucleic acids, lipids, proteins

Question 42

What are monomers of carbohydrates?

Answer 42

Monosaccharides

Question 43

What are the polymers of carbohydrates?

Answer 43

Polysaccharides

Question 44

What is the chemical structure of carbohydrates?

Answer 44

C,H,O

Question 45

What are monomers of nucleic acids?

Answer 45

Nucleotides

Question 46

What are the polymers of nucleic acids?

Answer 46

Nucleic acids

Question 47

What is the chemical structure of nucleic acids?

Answer 47

C,H,O,N,P

Question 48

What are monomers of proteins?

Answer 48

Amino acids

Question 49

What are the polymers of proteins?

Answer 49

Polypeptides

Question 50

What is the chemical structure of proteins?

Answer 50

C,H,O,N,S

Question 51

What is the monomer for lipids?

Answer 51

Fatty acids and glycerol

Question 52

What is the chemical structure of lipids?

Answer 52

C,H,O