Biology B3

Question 1

What do you use to test for Simple Carbohydrates/Sugar?

Answer 1

Benedicts Solution

Question 1

What is therapeutic cloning?

Answer 1

Creating a cloned embryo for the sole purpose of producing embryonic stem cells with the same DNA as the donor cell.

Question 2

What colour does Ethanol and Water turn when Lipids are present?

Answer 2

Milky White

Question 3

What colour does Iodine turn when Starch is present?

Answer 3

Black

Question 4

What colour does Benedicts turn when Simple Carbohydrates are present?

Answer 4

Red

Question 5

What colour does Biuret turn when Proteins are present?

Answer 5

Purple

Question 6

What do you use to test for Lipids?

Answer 6

Ethanol and Water

Question 7

What do you use to test for Starch?

Answer 7

Iodine Solution

Question 8

What do you use to test for Protein?

Answer 8

Biuret Solution

Question 9

What does Lipase produce?

Answer 9

Glycerol and Fatty Acids

Question 10

What does Lipase break down?

Answer 10

Lipids

Question 11

What does Protease produce?

Answer 11

Amino Acids

Question 12

What does Amylase produce?

Answer 12

Glucose

Question 13

What does Protease break down?

Answer 13

Proteins

Question 14

What does Amylase break down?

Answer 14

Starch

Question 15

Why does the acid not damage the stomach?

Answer 15

The stomach releases a mucus that protects the stomach lining.

Question 16

Why does the stomach contain hydrochloric acid?

Answer 16

Kills the bacteria. Provide the correct pH for protease enzyme to work.

Question 17

What enzyme is contained in saliva?

Answer 17

Amylase

Question 18

What is the function of teeth?

Answer 18

.Breaks food down into smaller pieces so it is easier to swallow.
.Creates a large surface area for faster digestion by enzymes.