Proteins

Proteins are made up of ____.

• peptide bonds

• polypeptides

• amino acids

• haemoglobin

Amino acids connect into long chains known as ____.

• enzymes

• polypeptides

• hormones

• peptide bonds

____ include beans, legumes, nuts and seeds.

• Building blocks

• Lipoproteins

• Animal-based proteins

• Plant-based proteins

____ include meat, poultry, fish, eggs and dairy products.

• Complete proteins

• Lipoproteins

• Building blocks

• Polypeptides

____ build and repair tissues in our bodies.

• Polypeptides

• Amino acids

• Carbohydrates

• Peptide bonds

____ help speed up processes like digestion, metabolism and energy production.

• Amino acids

• Hormones

• Enzymes

• Antibodies

____ help regulate various physiological processes, such as growth and metabolism.

• Antibodies

• Amino acids

• Lipoproteins

• Hormones

____ transports fats and cholesterol in the bloodstream.

• Growth hormone

• Lipoprotein

• Haemoglobin

• Collagen

____ provides strength and elasticity to the skin, tendons and ligaments.

• Collagen

• Keratin

• Insulin

• Enzyme

What gives each amino acid its unique chemical properties?

• Carboxyl group

• R group

• Peptide bond

• Amino group