Proteins
What is Protein?
Proteins are organic polymers made of amino acids linked together in a specific order. Proteins are not just large, randomly arranged chains of amino acids.
What is the main function of carbohydrates?
Quick energy
Are lipids soluble in water?
No
What does DNA stand for?
Deoxyribonucleic acid
What is metabolism?
All chemical reactions in the body
What are Amino acids?
Organic molecules that have both an amino group and an acidic carboxyl group.
What is the monomer of carbohydrates?
Monosaccharide
What are two examples of lipids?
Fats and oils
What are the monomers of nucleic acids?
Nucleotides
What is the process of breaking down food for energy?
Catabolism
What type of bond links amino acids together?
Peptide bond
What is a disaccharide?
Two sugars bonded together (e.g., sucrose)
What lipid makes up most of the cell membrane?
Phospholipids
What sugar is found in RNA?
Ribose
What molecule is the main energy currency of the cell?
ATP
What is the name of a protein that speeds up reactions?
Enzyme
What complex carbohydrate is found in plant cell walls?
Cellulose
What kind of fat has double bonds and is usually liquid?
Unsaturated fat
What does RNA do in protein synthesis?
Carries instructions from DNA to ribosomes
What is the effect of enzymes on activation energy?
They lower it
What happens to a protein if it is denatured?
It loses its shape and function
What reaction breaks apart polysaccharides?
Hydrolysis
What role does cholesterol play in the body?
Stabilizes membranes and makes hormones
What are the three parts of a nucleotide?
Phosphate, sugar, nitrogen base
What are the two main types of metabolism?
Anabolism and catabolism