Biomolecules

Which of the following is the primary function of carbohydrates in the body?

• a) Energy storage

• b) Structural support

• c) Enzyme production

• d) Hormone regulation

Which of the following is a polysaccharide?

• a) Glucose

• b) Fructose

• c) Sucrose

• d) Cellulose

Which of these is an example of a saturated fat?

• a) Olive oil

• b) Butter

• c) Fish oil

• d) Sunflower oil

What is the main difference between saturated and unsaturated fats?

• a) Saturated fats have no double bonds between carbon atoms

• b) Unsaturated fats contain only single bonds between carbon atoms

• c) Saturated fats are liquid at room temperature

• d) Unsaturated fats are solid at room temperature

Which type of carbohydrate is quickly digested and provides a rapid source of energy?

• a) Polysaccharides (starch)

• b) Disaccharides (maltose)

• c) Monosaccharides (glucose)

• d) Oligosaccharides (galacto-oligosaccharide)

What is the monomer unit of proteins?

• a) Nucleotides

• b) Amino acids

• c) Fatty acids

• d) Monosaccharides

Which of the following carbohydrates is used for energy storage in animals?

• a) Starch

• b) Glycogen

• c) Cellulose

• d) Chitin

Which of the following is a function of proteins in the body?

• a) Energy storage

• b) Acting as enzymes to speed up chemical reactions

• ) Forming genetic material

• d) Providing insulation

How do proteins help marine organisms respond to environmental changes?

• a) Proteins store long-term energy reserves

• b) Proteins function as enzymes that regulate biochemical reactions

• c) Proteins act as chemical messengers like hormones

• d) Proteins provide insulation against extreme temperatures

What is the primary function of lipids in the body?

• a) Carry genetic information

• b) Store energy and provide insulation

• c) Speed up chemical reactions

• d) Transport oxygen in the blood