Macromolecule Post-Lab Quizizz

The image shows a color change from blue to purple. This indicates that _____ is present

• Protein

• Fat

• Simple sugars

• Vitamin C

Tags

NGSS.HS-PS1-5

Name the type of food that was being tested.

• Starch

• Simple sugar

• Protein

• Lipid

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

Which of the following tests for protein?

• Lugol's Iodine

• Benedict's solution

• Biuret reagent

• Sudan III

Which of the following tests for glucose/simple sugar?

• Lugol's Iodine

• Benedict's

• Biuret

• Sudan III

When starch is present Lugol's iodine turns...

• purple

• black (ink)

• orange

• red

When protein is present Biuret turns...

• purple

• black (ink)

• orange

• red

When large amounts of glucose/simple sugar is present Benedicts turns...

• purple
• black (ink)

• red

• green

A negative test for starch will cause Iodine to stay...

• amber yellow/brown

• blue

• black

• brick red

A negative test for protein will cause Biuret to stay...

• red

• blue

• black

• orange

A negative test for glucose will cause Benedicts to stay...

• brick red

• blue

• black

• orange