biochemestry

Question 1

a polymer made up of many amino acids joined together

Answer 1

polypeptide

Question 2

a fatty acid which has no double bonds between carbon atoms is called

Answer 2

saturated

Question 3

soap is one type of _____, which are substances which help break large fat droplets into small fat droplets to help them mix with water

Answer 3

emulsifier

Question 4

a nucleus acid which is single stranded

Answer 4

RNA

Question 5

this process breaks bonds between subunits in organic polymers

Answer 5

hydrolysis

Question 6

the carbohydrate that makes up the cell walls of plants

Answer 6

cellulose

Question 7

another name for “fat”

Answer 7

lipid

Question 8

the storage form of carbohydrate in plants

Answer 8

starch

Question 9

acidity is created by an excess of _____ ions in solution

Answer 9

hydrogen

Question 10

heavy ______ can alter the three dimensional shape of a protein

Answer 10

metals

Question 11

a nucleotide is made up of a ______, a pentose, and a nitrogenous base

Answer 11

phosphate

Question 12

a pH above 7 is considered ________

Answer 12

basic

Question 13

this element, common in living organisms, can form up to four bonds with other substances

Answer 13

carbon

Question 14

forms with two glucose molecules are joined together

Answer 14

maltose

Question 15

________ are lipids which contain four rings in their chemical structure

Answer 15

steroids

Question 16

a nucleus acid with a double helix shape

Answer 16

DNA

Question 17

_______ bonds are strong

Answer 17

covalent

Question 18

a six carbon sugar

Answer 18

hexose

Question 19

the subunit which makes up nucleic acids

Answer 19

nucleotide

Question 20

a five carbon sugar

Answer 20

pentose

Question 21

this level of protein structure can either be an alpha helix or beta pleated sheet

Answer 21

secondary

Question 22

a pH below 7 is considered

Answer 22

acidic

Question 23

a carbohydrate made up of many subunits

Answer 23

polysaccharide

Question 24

a fatty acid which contains at least on double bond between carbon atoms is called

Answer 24

unsaturated

Question 25

this level of protein structure is the sequence of the amino acids that make up protein

Answer 25

primary

Question 26

how many different kinds of amino acids exist

Answer 26

20

Question 27

carbohydrates provide us with ______

Answer 27

energy

Question 28

a special kind of nucleotide which is used to transmit energy within living organisms

Answer 28

ATP

Question 29

compounds which are primarily made up of carbon, hydrogen, and oxygen are called _______ compounds

Answer 29

organic

Question 30

a pH of 7 is considered _____

Answer 30

neutral

Question 31

a proteins 3 dimensional shape is extremely important in order for it to ______ properly

Answer 31

function

Question 32

_________ are a type of lipid that make up a significant portion of the cell membrane

Answer 32

phospholipids

Question 33

water is a good solvent because its molecules are ____- having a slight positive and negative charge

Answer 33

polar

Question 34

a disaccharide formed when a glucose and fructose molecule join together

Answer 34

sucrose

Question 35

a carbohydrate made up of only one sub unit

Answer 35

monosaccharide

Question 36

this process creates bonds between subunits in organic polymers

Answer 36

dehydration synthesis

Question 37

excessive ______ can cause a protein to lose its three dimensional shape

Answer 37

heat

Question 38

the term for a protein losing its three dimensional shape

Answer 38

denaturation

Question 39

the sub unit that makes up polypeptides (proteins)

Answer 39

amino acid

Question 40

a 2:1 ratio of hydrogen to oxygen is characteristic of _______ molecule

Answer 40

carbohydrate

Question 41

a neutral fat that contained glycerol and only one fatty acid chain would be called a ______ glyceride

Answer 41

mono

Question 42

a substance which helps hold the pH of a solution relatively constant is called a _______

Answer 42

buffer

Question 43

the type of carbohydrate used in your cells

Answer 43

glucose

Question 44

a measure of the acidity or alkalinity of a substance

Answer 44

pH

Question 45

a carbohydrate made up of two subunits (or rings)

Answer 45

disaccharide

Question 46

hydrogen bonds are ______ bonds

Answer 46

weak

Question 47

this level of protein structure occurs when two or more proteins join with eachother to form a larger protein structure

Answer 47

quaternary

Question 48

the storage form of carbohydrate in animals

Answer 48

glycogen

Question 49

this is the sequence of three atoms which is characterful amino acid

Answer 49

NCC

Question 50

this level of protein structure when the protein begins to fold upon itself, creating a 3D shape

Answer 50

tertiary