Biological molecules

Question 1

What is smaller basic units of carbohydrates made of?

Answer 1

Glucose. e.g starch

Question 2

What elements does carbohydrates contain?

Answer 2

C,H,O

Question 3

What is smaller basic units of protein made of?

Answer 3

Amino acids. e.g collagen

Question 4

What elements does proteins contain?

Answer 4

C,H,O,N,S

Question 5

What is the smaller basic units of lipids made of?

Answer 5

Glycerol, fatty acids (blubber in whales)

Question 6

What elements do lipids contain?

Answer 6

C,H,O

Question 7

What is the test for starch?

Answer 7

put some starch solution into a test tube, add some iodine solution,

Question 8

What’s the result for starch?

Answer 8

blue/black

Question 9

Test for glucose?

Answer 9

Put some glucose solution than ass some benedict’s solution, put in boiling water.

Question 10

Whats the result for glucose?

Answer 10

brightened

Question 11

Describe the test for protein:

Answer 11

Biuret reagent

Question 12

The result for the protein test?

Answer 12

Lilac

Question 13

Fat test?

Answer 13

Water, ethanol and shake

Question 14

Result of fat test?

Answer 14

Milky white

Question 15

What is an Enzyme?

Answer 15

a biological catalyst

Question 16

What is a catalyst?

Answer 16

Something that speeds up a reaction

Question 17

What happens to enzyme if the temperatures are too high?

Answer 17

The enzyme becomes denatured, meaning it stops working.

Question 18

What is the Active site?

Answer 18

The active site is a space where another molecule can fit, this is how the enzyme catalyses the reaction.