BIOL 1090 FINAL EXAM REVIEW QUESTIONS WITH
COMPLETE SOLUTIONS
1) Which COP protein performs retrograde movement between the Golgi and ER? --
Answer ✔✔ COPII
2) These two proteins travel in opposite directions along microtubules -- Answer ✔✔
Kinesin and Dynein
3) What directs vesicles to other parts of the cell? -- Answer ✔✔ Clathrin-coated
vesicles move from TGN to other vesicles.
4) These two proteins are known to coat forming membrane vesicles and drive their
formation -- Answer ✔✔ COPI and COPII
5) True or False: Microtubules use the ARP 2/3 complex to form branches. -- Answer
✔✔ False, MICROFILAMENTS use the arp complex not microtubules.
, 6) Which end of the microtubule forms faster? -- Answer ✔✔ The plus end.
7) These two proteins travel from Golgi to ER -- Answer ✔✔ COPI and COPII
8) What is the central site for MT assembly? -- Answer ✔✔ Microtubule Organizing
Center (MTOC)
9) What are the similarities of Vacuoles and Lysosomes? -- Answer ✔✔ Low internal
PH and both have acid hydrolases.
10) What protein complex couples a H+ gradient to ATP synthesis? -- Answer ✔✔ ATP
synthase.
11) Which is the largest cytoskeletal element? -- Answer ✔✔ Microtubules
12) What are the two major types of microtubules? -- Answer ✔✔ Axonemal and
Cytoplasmic
13) How many ATPs are required for kinesin to travel 1 unit? -- Answer ✔✔ 1 ATP
14) What does the SER accomplish? -- Answer ✔✔ 1. Lipid synthesis
2. Production of steroid hormones
3. Detoxification
4. Secretion of Ca2+
COMPLETE SOLUTIONS
1) Which COP protein performs retrograde movement between the Golgi and ER? --
Answer ✔✔ COPII
2) These two proteins travel in opposite directions along microtubules -- Answer ✔✔
Kinesin and Dynein
3) What directs vesicles to other parts of the cell? -- Answer ✔✔ Clathrin-coated
vesicles move from TGN to other vesicles.
4) These two proteins are known to coat forming membrane vesicles and drive their
formation -- Answer ✔✔ COPI and COPII
5) True or False: Microtubules use the ARP 2/3 complex to form branches. -- Answer
✔✔ False, MICROFILAMENTS use the arp complex not microtubules.
, 6) Which end of the microtubule forms faster? -- Answer ✔✔ The plus end.
7) These two proteins travel from Golgi to ER -- Answer ✔✔ COPI and COPII
8) What is the central site for MT assembly? -- Answer ✔✔ Microtubule Organizing
Center (MTOC)
9) What are the similarities of Vacuoles and Lysosomes? -- Answer ✔✔ Low internal
PH and both have acid hydrolases.
10) What protein complex couples a H+ gradient to ATP synthesis? -- Answer ✔✔ ATP
synthase.
11) Which is the largest cytoskeletal element? -- Answer ✔✔ Microtubules
12) What are the two major types of microtubules? -- Answer ✔✔ Axonemal and
Cytoplasmic
13) How many ATPs are required for kinesin to travel 1 unit? -- Answer ✔✔ 1 ATP
14) What does the SER accomplish? -- Answer ✔✔ 1. Lipid synthesis
2. Production of steroid hormones
3. Detoxification
4. Secretion of Ca2+
