Carbohydrates

Multiple Choice

Which of the following statements about carbon is correct?

• Carbon is only found in living things.

• Carbon is an element found in the air, ocean, and Earth's crust.

• Carbon cannot form compounds with other elements.

• Carbon is only found in solid form.

Multiple Select

Which of the following are considered organic compounds or macromolecules?

• Carbohydrates

• Lipids

• Proteins

• Water

Multiple Choice

Organic compounds fall into four categories. Which of the following is NOT one of them?

• Carbohydrates

• Lipids

• Proteins

• Minerals

Multiple Choice

Which of the following nutrients is present in the highest amount in the food item shown in the nutrition facts label?

• Carbohydrates

• Protein

• Fat

• Sodium

Benedict's solution and Soda Lab

Observation

Diet or Zero Soft drinks Are sweet to the taste even though they claim to contain zero amounts of sugar.

Question

​Are Zero or Diet soft drinks actually sugar free and is there a way to find out?

​Background

​Diet and Zero soft drinks contain an artificial sweeteners such as Aspartame. Benedict's solution is a deep-blue alkaline reagent used to test for the presence of reducing sugars, such as glucose, in a sample.

​Hypothesis:

​

Open Ended

What is your Hypothesis?

3 Clear cups
4 Pipettes
1 Thermometer
1 Bottle of Benedict's solution
Oven Mitts

• Hot Plate

• 2 Beakers

• 3 Test Tubes

• 1 Bottle of Regular Sprite

• 1 Bottle of Sprite Zero

• 1 Bottle of Water

Materials

5. Add 10 drops of Benedict's solution to each test tube

6. Allow the test tubes to remain in the hot water bath for 3 minutes

7. Record the results in the data table once the 3 minutes are complete

1. Boil hot water in a beaker to 100 degrees celsius

2. Add 1 full dropper of Sprite into 1 test tube

3. Add 1 dropper full of Sprite zero into a test tube

4. Add 1 dropper full of water into a test tube

Methods

Analysis/​Conclusion

Did your hypothesis match your results?
Why or why not?
What factors might have impacted the results of the experiment?

​

Open Ended

What is your conclusion?

Multiple Choice

What type of carbohydrate is this?

• polysaccharide
• disaccharide
• monosaccharide
• it isn't a carbohydrate

​

Multiple Choice

Which of the following is the building block of Carbohydrates?

• Amino acids

• Fatty acids 

• Monosaccharides

Multiple Choice

What does the prefix 'poly-' mean in the context of carbohydrates?

• Many

• Two

• One

• Simple

Multiple Choice

Carbohydrates come mainly from what source?

• Water

• Animal

• Plant

• Fish

Multiple Choice

What might happen if you didn't get enough carbohydrates?

• Your body wouldn't be able to build muscle mass
• Your body wouldn't have enough energy to function
• You would develop serious vitamin deficiencies
• Your bones and teeth would become weaker

Multiple Choice

Which of the following is the primary function of carbohydrates?

• Long term energy storage

• Short term energy

• Regulating the function of cells

• Storing cellular information

Multiple Choice

Which of the following elements make-up Carbohydrates?

• Carbon, Hydrogen, Oxygen 

• Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur

• Oxygen, Nitrogen, Hydrogen, Carbon

Multiple Choice

Cellulose is a polysaccharide found in animals and fungi.

• TRUE

• FALSE

Multiple Choice

Lactose is a sugar found in dairy products.

• TRUE

• FALSE

Multiple Choice

Carbohydrates come mainly from what source?

• Water

• Animal

• Plant

• Fish

Multiple Choice

M & M candy is an example of what type of carbohydrate?

• Simple Carbohydrate

• Complex Carbohydrate

• Fiber

Multiple Choice

Disaccharides and Polysaccharides must first be broken down in the body before they can be used for energy?

• TRUE

• FALSE

Multiple Choice

Which polysaccharide is used by plants to store glucose?

• glycogen

• cellulose

• starch

• chitin

Multiple Choice

Why are carbohydrates considered essential for the survival of living organisms?

• They provide structural support and energy for cells.

• They are the only molecules that contain nitrogen.

• They are not found in any living organisms.

• They are responsible for genetic information.

Multiple Choice

Which of the following is a monosaccharide?

• Glucose

• Sucrose

• Cellulose

• Lactose