Understanding Carbohydrates

What is the general formula for carbohydrates?

• C_nH2O

• C_nH2nO2

• C_nH2nO

• C_n(H2O)_n

Which of the following is a primary energy source for metabolism in the human body?

• Glucose

• Fructose

• Cellulose

• Ribose

What is the role of cellulose in plants?

• Protein synthesis

• Photosynthesis

• Structural support

• Energy storage

What is the suffix used for sugars?

• ase

• ose

• ide

• ate

What is the simplest carbohydrate mentioned in the transcript?

• Glucose

• Ribose

• Fructose

• Glyceraldehyde

How many carbons are in a hexose?

• Three

• Five

• Six

• Four

What functional group does glucose have?

• Ketone

• Hydroxyl

• Carboxyl

• Aldehyde

What is fructose classified as?

• Aldotetrose

• Ketohexose

• Ketotriose

• Aldohexose

In Fisher projections, what does the 'D' configuration indicate?

• The hydroxyl group is on the left

• The hydroxyl group is on the right

• The molecule is a ketone

• The molecule is an aldehyde

What is the significance of stereochemistry in carbohydrates?

• It alters the taste

• It affects the biological function

• It changes the color of the molecule

• It determines the energy content