(Grade 11 Biology) Question and
answers rated A+ 2025
Macromolecule - correct answer A very large molecule that is made up of
smaller molecules that are linked together
Metabolism - correct answer The sum total of all the chemical reactions that
occur in an organism
Monosaccharide - correct answer A simple sugar with three to seven carbon
atoms
Disaccharide - correct answer a sugar made up of two monosaccharide
molecules.
Polysaccharide - correct answer a large molecule made up of any linked
monosaccharide molecules.
Glycogen - correct answer a polysaccharide made up of glucose units.
Lipid - correct answer an organic compound that does not dissolve in water,
such as fat and oil
Amino Acid - correct answer a building block of protein.
peptide bond - correct answer a bond that holds together the amino acids in a
protein
, Polypeptide - correct answer a linear chain of several amino acids linked by
peptide bonds.
Hydrolysis - correct answer a chemical reaction in which water breaks apart
macromolecules into smaller molecules.
Enzyme - correct answer a protein molecule that helps speed up important
chemical reactions in the body.
Alimentary Canal - correct answer the tube through which food is processed,
beginning at the mouth and ending at the anus; also known as the digestive
tract.
Mechanical Digestion - correct answer the physical breakdown of large
pieces of food into smaller pieces in the mouth by the action of teeth break, or
other similar structures, and contractions and churning motions in the
stomach.
Chemical Digestion - correct answer the chemical breakdown of nutrient
molecules into smaller molecules by enzyme actions.
Salivary Glands - correct answer the glands in the mouth that produce saliva
to begin the chemical digestion of food.
Saliva - correct answer a watery secretion in the mouth that begins in the
digestive process
Esophagus - correct answer the muscular tube through which food passes
from the mouth to the stomach.