Enzymes quiz 2

What is the ability of stem cells to differentiate into any type of plant called?

• Cloning

• Differentiation

• Mutation

• Extinction

What are carbohydrates made of?

• Carbon, oxygen, and hydrogen

• Carbon, oxygen, hydrogen, sulfur, nitrogen, and phosphorous

• Carbon, oxygen, and sulfur

• Carbon, oxygen, and nitrogen

What are lipids made of?

• Carbon, oxygen, and hydrogen

• Carbon, oxygen, hydrogen, sulfur, nitrogen, and phosphorous

• Carbon, oxygen, and sulfur

• Carbon, oxygen, and nitrogen

What is the test for glucose?

• Add sample solution to a test tube and add Benedict's solution

• Pipette the sample solution into wells and add iodine solution

• Add sample solution to a test tube and add Biuret solution

• Add ethanol and distilled water to the test solution

What is the test for starch?

• Add sample solution to a test tube and add Benedict's solution

• Pipette the sample solution into wells and add iodine solution

• Add sample solution to a test tube and add Biuret solution

• Add ethanol and distilled water to the test solution

What is the test for protein?

• Add sample solution to a test tube and add Benedict's solution

• Pipette the sample solution into wells and add iodine solution

• Add sample solution to a test tube and add Biuret solution

• Add ethanol and distilled water to the test solution

What is the test for fat?

• Add sample solution to a test tube and add Benedict's solution

• Pipette the sample solution into wells and add iodine solution

• Add sample solution to a test tube and add Biuret solution

• Add ethanol and distilled water to the test solution

What are enzymes?

• Biological catalysts

• Protein molecules

• Polymers

• Simple sugars

What is the shape of the enzyme that is vital to its function?

• Active site

• Substrate

• Lock

• Key

What is the optimum temperature for enzyme activity?

• 0°C

• 25°C

• 37°C

• 50°C