Food quiz

Which of the following tests for starch?

• Iodine
• Benedicts
• Biuret

Which of the following tests for protein?

• Iodine
• Benedicts
• Biuret

Which of the following tests for glucose?

• Iodine
• Benedicts
• Biuret

When starch is present iodine turns...

• purple
• blue-black
• orange

When large amounts of glucose is present Benedicts turns...

• purple
• blue-black
• brick-red
• green

Which test requires heat?

• Benedicts
• Biuret
• Iodine

Tags

NGSS.HS-PS3-4

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

• brick red
• blue
• black

Enzymes, haemoglobin and insulin are all

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Starch is a really large

• Lipid

• Protein

• Nucleic Acid

• Carbohydrate

Where do substrates bind on an enzyme?

• voltage-gated channels
• surface receptor
• calcium channels
• active site