BIOL 230 ATHABASCA UNIT 1 EXAM SCRIPT
2026 QUESTIONS WITH ANSWERS GRADED
A+
● Organic Chem . Answer: Study of carbon containing compounds
● Valence . Answer: # of electrons the outer shell needs to be filled
● Covalent Bond . Answer: Sharing of electrons between 2 atoms
● Atomic # . Answer: Number of protons
● Atomic weight . Answer: # of protons + Neutrons
● Calorie . Answer: amount of energy needed to raise the temp of 1g of a
substance 1 degree Celsius
● Cation . Answer: lose electron, positively charged
● Anion . Answer: Gains electron, negatively charged
, ● Cohesive . Answer: water molecules are attracted to each other due to
hydrogen bonding
● Hydrogen bonding in water makes water have high: . Answer: 1.
surface tension
2. Boiling point
3. specific heat
4. heat of vaporization
● Van der Waals forces . Answer: weak attractions between 2 atoms that
occur if the atoms are close to one another
● Hydrophobic interactions . Answer: tendency of nonpolar groups
within a macromolecule to associate w each other and minimize their
contact w water
● Sugars (CHO) turn into . Answer: Polysaccharides
● Fatty acids . Answer: Fats/ lipids/ membranes (CHO)
● Amino acids . Answer: Proteins (CHONS)
● Nucleotides . Answer: Nucleic acids (CHONP)
2026 QUESTIONS WITH ANSWERS GRADED
A+
● Organic Chem . Answer: Study of carbon containing compounds
● Valence . Answer: # of electrons the outer shell needs to be filled
● Covalent Bond . Answer: Sharing of electrons between 2 atoms
● Atomic # . Answer: Number of protons
● Atomic weight . Answer: # of protons + Neutrons
● Calorie . Answer: amount of energy needed to raise the temp of 1g of a
substance 1 degree Celsius
● Cation . Answer: lose electron, positively charged
● Anion . Answer: Gains electron, negatively charged
, ● Cohesive . Answer: water molecules are attracted to each other due to
hydrogen bonding
● Hydrogen bonding in water makes water have high: . Answer: 1.
surface tension
2. Boiling point
3. specific heat
4. heat of vaporization
● Van der Waals forces . Answer: weak attractions between 2 atoms that
occur if the atoms are close to one another
● Hydrophobic interactions . Answer: tendency of nonpolar groups
within a macromolecule to associate w each other and minimize their
contact w water
● Sugars (CHO) turn into . Answer: Polysaccharides
● Fatty acids . Answer: Fats/ lipids/ membranes (CHO)
● Amino acids . Answer: Proteins (CHONS)
● Nucleotides . Answer: Nucleic acids (CHONP)
