biomolecules

Sucrose is a disaccharide composed of which two monosaccharides?

• • Glucose and Fructose

• • Glucose and Galactose

• • Fructose and Galactose

• Glucose and Glucose

Which type of carbohydrate is directly used by cells for energy?

• • Polysaccharides

• Starch

• Glucose

• Cellulose

What is the primary function of carbohydrates in the human body?

• To store genetic information

• To act as enzymes

• To provide energy

• To form antibodies

Which of the following is a ketose sugar?

• Glucose

• Fructose

• Galactose

• Ribose

The term "denaturation" in relation to proteins refers to:

• • Hydrolysis of peptide bonds

• Addition of amino acids to a protein chain

• Loss of three-dimensional structure and function

• Formation of peptide bonds

Which functional groups are found in all amino acids?

• Hydroxyl and phosphate groups

• • Amino and carboxyl groups

• • Methyl and carbonyl groups

• • Sulfhydryl and hydroxyl group

Vitamin C is also known as:

• Ascorbic acid

• Niacin

• • Thiamine

• • Riboflavin

Which vitamin is primarily obtained from sunlight exposure on the skin?

• Vitamin A

• • Vitamin D

• Vitamin C

• Vitamin B1

Which hormone is responsible for the "fight or flight" response?

• • Cortisol

• • Adrenaline (Epinephrine)

• • Glucagon

• • Oxytocin

Beriberi is caused by a deficiency of:

• • Vitamin B1

• • Vitamin B2

• • Vitamin B6

• Vitamin C