Chapter 2

Question 1

What is atomic weight?

Answer 1

Protons + neutrons

Question 2

What is the atomic number?

Answer 2

Number of protons

Question 3

What does H+ mean in our body?

Answer 3

Acid

Question 4

What is an isotope?

Answer 4

Elements that has more neutrons

Question 5

What is the outermost shell called?

Answer 5

Valence shell

Question 6

What are the three types of bonds?

Answer 6

Ionic, Covalent, hydrogen

Question 7

What happens during Ionic bonds?

Answer 7

Gain or lose electrons (common in column 1&2 / 6&7 )

Question 8

What happens during covalent bonds?

Answer 8

Share electrons (common in column 4&5)

Question 9

What happens during hydrogen bonds

Answer 9

Hydrogen share between each other

Question 10

What does synthesis reaction mean?

Answer 10

Two components bond together to make a larger molecule

Question 11

What does decomposition reaction mean?

Answer 11

Bond between larger molecules break to make smaller molecules

Question 12

Dehydration synthesis?

Answer 12

Removes water to, form a bond( makes molecules bigger)

Question 13

Hydrolysis?

Answer 13

Adds water, to break a bond (makes molecule smaller)

Question 14

Is an acid or base known as the proton donator

Answer 14

Acid

Question 15

Is an acid or base known as the proton acceptor?

Answer 15

Base

Question 16

What are saccharides ( sugar molecules)?

Answer 16

Carbohydrates

Question 17

What are monosaccharides (one sugar) ?

Answer 17

Glucose, fructose, galactose, deoxyribose

Question 18

What doe enzymes do?

Answer 18

Require less activation energy and speed up reactions

Question 19

What are disaccharides?

Answer 19

Sucrose, lactose, maltose

Question 20

What are polysaccharides?

Answer 20

Starch,glycogen, cellulose

Question 21

What are Lipids?

Answer 21

Fats

Question 22

What are the two types of fatty acids?

Answer 22

Saturated (single bond) and unsaturated (double bond)

Question 23

What are phospholipids, sterols and prostaglandins?

Answer 23

Lipids

Question 24

What make up proteins?

Answer 24

Amino acids

Question 25

What makes proteins different?

Answer 25

Their side chain

Question 26

How are proteins formed?

Answer 26

By making peptide bonds (by dehydration)

Question 27

What does the primary structure look like for amino acids?

Answer 27

A row of amino acids

Question 28

What does the secondary structure look like for amino acids?

Answer 28

Alpha helix and pleated sheet

Question 29

What are the 4 type of nucleotides?

Answer 29

Cytosine (C), Thymine (T), Urasil (U), Adenine (A)

Question 30

What are the bonds for DNA?

Answer 30

A=T C (triple bond) G

Question 31

What are the bonds for RNA?

Answer 31

A=U C (triple bond) G

Question 32

Where is ATP shared in phosphate bonds?

Answer 32

Between the 2 and 3 layer