2.91 Lesson 7

The indicator iodine is what color?

• Clear

• Amber

• Black

• Blue

The indicator Benedict's Solution is what color?

• Clear

• Amber

• Black

• Blue

What substance does iodine turn color in the presence in?

• Starch

• Proteins

• Fats/Lipids

• Glucose

What substance does Benedict's solution turn color in the presence in?

• Starch

• Proteins

• Fats/Lipids

• Glucose

Iodine turns from amber to what color in the presence of starch?

• Blue

• Red/Orange

• Green

• Black/Purple

Benedict's solution turns from blue to what color in the presence of glucose?

• Blue

• Red/Orange

• Green

• Black/Purple

Organize the molecules into their correct columns.

Groups:

(a) CAN pass through the cell membrane

,

(b) CANNOT pass through the cell membrane

• proteins

• iodone

• glucose

• fats/lipids

• starch

• amino acids

• water

• fatty acids

Tags

NGSS.HS-LS1-6

What evidence from this lab shows that glucose, iodine, and water CAN pass through the cell membrane and that starch CANNOT pass through the cell membrane.

• The tube stayed clear/white

• The amber solution turned black

• The tube turned black

• Nothing goes through the cell membrane

Tags

NGSS.MS-LS1-2

Match the macromolecule to their building block.

• Amino Acids

• Lipids/Fats

• Fatty Acids

• Proteins

• Glucose

• Carbohydrates

What is the building block of proteins

• fatty acids

• amino acids

• nucleic acids

• simple sugars

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6