Lab Quiz 5

Question 1

If the result is POSITIVE, then the indicator will

Answer 1

change color

Question 2

If the result is NEGATIVE, then the indicator will

Answer 2

NOT change color

Question 3

What is a negative control

Answer 3

Water
H2O

Question 4

Nucleic Acids Function?

Answer 4

Store genetic information

Question 5

DNA

Answer 5

Double Stranded

Question 6

RNA

Answer 6

Single Stranded

Question 7

What is the difference between DNA & RNA?

Answer 7

Their sugar

Question 8

RNA Genetic Code (4)

ex: A, C, G, U

Answer 8

Adenine
Guanine
Cytostine
Uracil

Question 9

3 types of lipids

Answer 9

Triglycerides (fats/oils)
Phospholipids
Steroids

Question 10

Lipids Reagent (Indicator)

Answer 10

Sundan III

Question 11

Lipids Positive Result =

Answer 11

Orange / Red-Orange

Question 12

Lipids Functions

Hint: 3

Answer 12

1. Long-term energy storage
2. Insulation and cushioning
3. Signaling (between cells)

Question 13

Lipids Negative Result =

Answer 13

No color

Question 14

Simple Sugars Reagent (indicator)

-Carbohydrates

Answer 14

Benedict’s Solution

Question 15

S. Sugars Positive Result =

Answer 15

Red, Orange, Yellow and Green

Question 16

S. Sugars Negative Result =

Answer 16

Blue

Question 17

S. Sugars Functions:

Hint: 3

Answer 17

1. Energy Storage
2. Short-term storage source
3. Structural support (cell walls)

Question 18

Complex Sugars Reagent (indicator)

• starch

Answer 18

Lugol’s Iodine

Question 19

C. Sugars Positive Result =

Answer 19

Dark blue, dark brown, black

Question 20

C. Sugars Negative Result =

Answer 20

Yellow - Orange

Question 21

Proteins Reagent (indicator)

Answer 21

Biuret Reagent

Question 22

Proteins Positive Result =

Answer 22

Violet, Purple

Question 23

Proteins Negative Result =

Answer 23

Blue

Question 24

Proteins Function

Answer 24

Proteins have a wide diverse set of functions