BIOCHEMISTRY Crossword Review

Question 1

A polymer made up of many amino acids joined together

Answer 1

Polypeptide

Question 2

What fatty acid has no double bonds between carbon atoms?

Answer 2

Saturated fatty acid

Question 3

Which substance help breaks large fat droplets into small fat droplets to help them mix with water? Name one example

Answer 3

Emulsifier, example is soap

Question 4

A nucleic acid that is single stranded

Answer 4

RNA

Question 5

Whats another name for fat?

Answer 5

Lipid

Question 6

What is the storage form of carbohydrate in plants?

Answer 6

Starch

Question 7

Acidity is created by an excess of ____ ions in solution

Answer 7

Hydrogen

Question 8

Which process breaks bonds between sub units in organic polymers?

Answer 8

Hydrolysis

Question 9

Whats the carbohydrate that makes up the cell walls of plants?

Answer 9

Cellulose

Question 10

A heavy _____ can alter the three dimensional shape of a protein

Answer 10

Metal

Question 11

A nucleotide is made up of a ___, pentose and a nitrogenous base

Answer 11

phosphate

Question 12

A pH above 7 is considered ___

Answer 12

Basic

Question 13

Which element that is common in living organisms can form up to four bonds with other substances?

Answer 13

Carbon

Question 14

_____ are lipids that contain four rings in their chemical structure

Answer 14

Steroids

Question 15

Whats the nucleic acid with double helix shape?

Answer 15

DNA

Question 16

____ bonds are strong

Answer 16

Covalent

Question 17

Whats a six carbon sugar?

Answer 17

Hexose`

Question 18

What subunit makes up nucleic acids?

Answer 18

Nucleotide

Question 19

Whats a five carbon sugar?

Answer 19

Pentose

Question 20

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

Answer 20

Secondary

Question 21

A pH below 7.0 is considered?

Answer 21

Acidic

Question 22

A carbohydrate made up of many subunits

Answer 22

polysaccharide

Question 23

A fatty acid which contains at least one double bond between carbon atoms is called _____?

Answer 23

Unsaturated fatty acid

Question 24

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

Answer 24

Primary

Question 25

How many different kinds of amino acids exist?

Answer 25

Twenty

Question 26

Carbohydrates help provide us with what?

Answer 26

Energy

Question 27

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

Answer 27

ATP

Question 28

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

Answer 28

organic

Question 29

A pH of 7.0 is considered?

Answer 29

Neutral

Question 30

A proteins 3 dimensional shape is important in order for it to _____ properly

Answer 30

function

Question 31

_____ is a type of lipid that make up a significant portion of the cell membrane

Answer 31

Phospholipids

Question 32

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

Answer 32

-HELP!!!

Question 33

A disaccharide is formed when a glucose and fructose molecule join together

Answer 33

sucrose

Question 34

A carbohydrate is made up of only one subunit

Answer 34

monosaccharide

Question 35

This process creates bonds between subunits in organic polymers

Answer 35

dehydrationsynthesis

Question 36

Excessive ____ can cause a protein to lose its three dimensional shape

Answer 36

Heat

Question 37

Whats the term for a protein losing its three dimensional shape?

Answer 37

Denaturation

Question 38

Whats the subunit that makes up polypeptides?

Answer 38

Amino acid

Question 39

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

Answer 39

-HELP!!!

Question 40

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

Answer 40

Poly glyceride

Question 41

The type of carbohydrate used in your cells

Answer 41

Glucose

Question 42

Hydrogen bonds are ___ bonds

Answer 42

weak

Question 43

This level of protein structure occurs when two or more proteins join with each other to form a larger protein structure

Answer 43

Quatertiary

Question 44

What molecule is made up of two amino acids joined together?

Answer 44

Di-peptide

Question 45

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

Answer 45

Tertiary

Question 46

The storage form of carbohydrate in animals

Answer 46

Glycogen

Question 47

This is the sequence of three atoms which is characteristics of an amino acid

Answer 47

NCC

Question 48

A measure of the acidity or alkalinity of a substance

Answer 48

pH