AP Bio: ChAPters 2-4 Review
14 Questions
| Total Attempts: 875
Biological processes of living things depend upon living organisms depend upon the interaction of an atom, molecules and compounds that make up living tissues and the environment within which life takes place. Take up this AP bio test on chemistry and refresh your memory on what we have learnt these past weeks.
Questions and Answers
- 1.Carbon-12, carbon-13 and carbon-14 are all versions of carbon and are thererfore referred to as
- A.
Isomers
- B.
Isotonics
- C.
Isotopes
- D.
Isometrics
- 2.An electron jumps to an energy level further from the nucleus. What happens to its energy?
- A.
Increases
- B.
Decreases
- 3.Covalent bonds are the result of ____________ electrons which produce ________ bonds.
- A.
Sharing, weak
- B.
Transferring, weak
- C.
Sharing, strong
- D.
Transferring, strong
- 4.Molecules that have an uneven distribution of charge are called ___________ molecules.
- A.
Polar
- B.
Nonpolar
- C.
Ionic
- D.
Hydrogen
- 5.Polar moecules make ______________ solvents.
- A.
Poor
- B.
Excellent
- 6.The property of water that gives it the appearance of a skin on top is
- A.
Adhesion
- B.
Cohesion
- C.
Surface tension
- 7.Molecules of the same formula with variances in structure are called
- A.
Isomers
- B.
Isotonics
- C.
Isotopes
- D.
Isometrics
- 8.The property of water that allows it to stick to vessel walls is
- A.
Adhesion
- B.
Cohesion
- C.
Surface tension
- 9.The amino group formula is
- A.
CH3
- B.
PO4
- C.
OH
- D.
NH3
- 10._________________ are unique because they are mirror images of a molecule.(spell correctly!)
- 11.-SH is the ________ group. (spell correctly!)
- 12.An aldehyde differs from a ketone because its carbonyl is located
- 13.The hydroxyl group represents the _________ family. (spell correctly!)
- 14.Carboxylic acids contain the functional group
- A.
OH
- B.
CO
- C.
COOH
- D.
CH3
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Sample QuestionWhat kind of bonds hold water molecules together?
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Sample QuestionThe centromere is a region in which:
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