Biochem

Question 0

How does your body use carbohydrate?

Answer 0

Primary energy source

Question 1

What are three marcomolecules that we have studied?

Answer 1

Protein, Carbs, and Lipids

Question 2

What are three elements in a carbohydrate?

Answer 2

Carbon, Hydrogen, and Oygen

Question 3

How can you identify a carbohydrate?

Answer 3

Take the number of oxygens and mutiple by two. This will tell you the number of hydrogens, also tend to form a ring shape

Question 4

What does disaccharide mean?

Answer 4

Two simple sugars hooked together

Question 5

What does monosaccharide mean?

Answer 5

Only one simple sugar

Question 6

What does polysaccharide mean?

Answer 6

Many simple sugars hooked together

Question 7

What is the chemical test for a monosaccharide?

Answer 7

Benedicts solution

Question 8

What color does benedicts turn if it is positive test result?

Answer 8

Orange

Question 9

What color does benedicts turn if it is a negative test result?

Answer 9

Blue

Question 10

What does a positive benedicts test mean for?

Answer 10

There monosaccharide present

Question 11

What does a negative benedicts test mean?

Answer 11

There are no monosaccharide present

Question 12

What is a chemical test for polysaccharide?

Answer 12

Iodine

Question 13

What color does iodine turn if it is positive test result?

Answer 13

Purple

Question 14

What color does Iodine turn if it is a negative test result?

Answer 14

Yellow

Question 15

What does a positive iodine test result mean?

Answer 15

Polysaccharide are present

Question 16

What does a negative iodine test result mean?

Answer 16

Polysaccharide are not present

Question 17

What is the purpose of a lipid?

Answer 17

Energy storage and insaulation

Question 18

What are the building blocks of a lipid?

Answer 18

Gycerol, and 3 fatty acids

Question 19

What are the elements in a lipid?

Answer 19

Carbon, hydrogen, and oxygen

Question 20

How can you identify a lipid?

Answer 20

The gycerol backbone and the long chains of carbon

Question 21

What are the 2 test you can run for lipids?

Answer 21

Solubility and brown paper bag

Question 22

What does a positive solubility test look like?

Answer 22

2 layers - lipids do not mix with water

Question 23

What does a negative solubility test look like?

Answer 23

1 layer - solution mixed with water

Question 24

What does a positive brown paper bag test look like?

Answer 24

A stain that never dries

Question 25

What does a negative brown paper bag test look like?

Answer 25

A spot that will dry

Question 26

What does a positive brown paper bag test mean?

Answer 26

Lipids are present

Question 27

What does a negative brown paper bag test mean?

Answer 27

Lipids are not present

Question 28

What are 5 ways your body uses protein?

Answer 28

Enzymes - speed reactions, Structure, Transport important nutrients, Defense, Hormones - sending signals

Question 29

What are the elements in a protein?

Answer 29

Carbon, Oxygen, Hydrogen, Nitrogen

Question 30

What are the building blocks of a protein?

Answer 30

Amino acids

Question 31

How can you spot an amino acid?

Answer 31

COOH and NH2

Question 32

When you join amino acids together how many waters would be removed?

Answer 32

1 less then the amount of amino acids joined

Question 33

What ions are in a acid?

Answer 33

H +

Question 34

What ions are in a base?

Answer 34

OH -

Question 35

What is the pH range of an acid?

Answer 35

0 - 6.9

Question 36

What is the pH of a weak acid?

Answer 36

6

Question 37

What is the pH of a strong acid?

Answer 37

1

Question 38

What is the pH range of a base?

Answer 38

7.1 - 14

Question 39

What is the pH of a weak base?

Answer 39

8

Question 40

What is the pH of a strong base?

Answer 40

14

Question 41

What are the three test papers that were used to determined if somthing was an acid or a base?

Answer 41

Red and Blue litmus paper and hydrion paper

Question 42

What did red litmus paper change for?

Answer 42

Turned blue for a base

Question 43

What did the blue litmus paper change for?

Answer 43

Turned red for an acid

Question 44

What did the hydrion paper show us?

Answer 44

How acidic or how basic something is

Question 45

What does the number in front of the molecule tell us?

Answer 45

The number of molecules present

Question 46

What is cohesion?

Answer 46

Water molecules sticking to itself

Question 47

What is adhesion?

Answer 47

Water molecules sticking to something else

Question 48

What is surface tension?

Answer 48

Water sticking to water at the suface creating a thin film

Question 49

What does it mean that water is polar?

Answer 49

There is a slightly positive and slightly negative side

Question 50

Why is water polar?

Answer 50

Oxygen hogs the electrons giving it a negative charge

Question 51

What is a hydogen bond?

Answer 51

It is weak bond formed between water molecules because of the slight charge