Biological Molecules 1 Key Words

Question 1

Adhesion

Answer 1

Attraction of two different polar molecules

Question 2

Cohesion

Answer 2

Attraction of two like polar molecules

Question 3

Specific heat capacity

Answer 3

Amount of energy required to raise 1kg of a substance by 1 degree Celsius

Question 4

Dipole

Answer 4

2+ regions of delta-charge surrounding the atoms of molecule due to differences in electronegativity, or affinity towards a shared pair of electrons in a covalent bond

Question 5

Metabolism

Answer 5

Sum of the chemical reactions in an organism

Question 6

Macromolecule

Answer 6

Large, complex molecule with large molecular weight

Question 7

Condensation

Answer 7

Reaction between two molecules forming a large molecule and water molecule. Opposite of hydrolysis

Question 8

Hydrolysis

Answer 8

Breakdown of molecule into two smaller molecules with addition of a water molecule. Opposite of condensation

Question 9

Hydrogen bond

Answer 9

Attraction between delta-charged atoms in a covalent molecule due to differences in electronegativity (attraction to shared pair of electrons in a covalent bond)

Question 10

Monomer

Answer 10

Small repeating unit in a polymer

Question 11

Polymer

Answer 11

Long chain molecule of monomers in a repeating pattern