Biology 1450 Exam 2 Questions With Correct
Answers
What |does |the |endomembrane |system |do? |- |CORRECT |ANSWER✔✔-It |regulates |protein |traffic
|and |performs |metabolic |functions |in |the |cell
What |does |the |endomembrane |system |consist |of? |- |CORRECT |ANSWER✔✔-1. |Nuclear |
envelope
2. |Endoplasmic |reticulum
3. |Golgi |apparatus
4. |Lysosomes
5. |Vacuoles
6. |Plasma |membrane
The |components |of |the |endomembrane |system |are |either |continuous |or |connected |via |
transfer |by______. |- |CORRECT |ANSWER✔✔-Vesicles
The |endoplasmic |reticulum |accounts |for |1.____ |_____ |_____ |of |the |total |membrane |in |many |
2.________ |cells. |- |CORRECT |ANSWER✔✔-1. |more |than |half |
2. |Eukaryotic |cells
What |are |the |two |distinct |regions |of |ER? |- |CORRECT |ANSWER✔✔-1. |Smooth |ER
2. |Rough |ER
Smooth |ER |- |CORRECT |ANSWER✔✔-lacks |ribosomes
, Rough |ER |- |CORRECT |ANSWER✔✔-Surface |is |studded |with |ribosomes
What |are |the |functions |of |Smooth |ER? |- |CORRECT |ANSWER✔✔-1. |Synthesizes |lipids |
2. |Metabolizes |carbohydrates |
3. |Detoxifies |drugs |and |poisons |
4. |Stores |calcium |ions
What |are |the |functions |of |Rough |ER? |- |CORRECT |ANSWER✔✔-1. |Has |bound |ribosomes |that |
secrete |glycoproteins |
2. |Distribute |transport |vesicles, |secretory |proteins |surrounded |by |membranes
3. |Is |a |membrane |factory |for |the |cell
Glycoproteins |- |CORRECT |ANSWER✔✔-Proteins |covalently |bonded |to |carbohydrates
Golgi |apparatus |- |CORRECT |ANSWER✔✔-Consists |of |flattened |membranous |sacs |called |
cisternae
What |is |the |function |of |the |Golgi |Apparatus? |- |CORRECT |ANSWER✔✔-1. |Modifies |products |of |
the |ER
2. |Manufactures |certain |macromolecules |
3. |Sorts |and |packages |materials |into |transport |vesicles
What |is |a |lysosome? |- |CORRECT |ANSWER✔✔-A |membranous |sac |of |hydrolytic |enzymes |that |
can |digest |macromolecules
Lysosomal |enzymes |work |best |in_____. |- |CORRECT |ANSWER✔✔-Acidic |environment |inside |the
|lysosome
Answers
What |does |the |endomembrane |system |do? |- |CORRECT |ANSWER✔✔-It |regulates |protein |traffic
|and |performs |metabolic |functions |in |the |cell
What |does |the |endomembrane |system |consist |of? |- |CORRECT |ANSWER✔✔-1. |Nuclear |
envelope
2. |Endoplasmic |reticulum
3. |Golgi |apparatus
4. |Lysosomes
5. |Vacuoles
6. |Plasma |membrane
The |components |of |the |endomembrane |system |are |either |continuous |or |connected |via |
transfer |by______. |- |CORRECT |ANSWER✔✔-Vesicles
The |endoplasmic |reticulum |accounts |for |1.____ |_____ |_____ |of |the |total |membrane |in |many |
2.________ |cells. |- |CORRECT |ANSWER✔✔-1. |more |than |half |
2. |Eukaryotic |cells
What |are |the |two |distinct |regions |of |ER? |- |CORRECT |ANSWER✔✔-1. |Smooth |ER
2. |Rough |ER
Smooth |ER |- |CORRECT |ANSWER✔✔-lacks |ribosomes
, Rough |ER |- |CORRECT |ANSWER✔✔-Surface |is |studded |with |ribosomes
What |are |the |functions |of |Smooth |ER? |- |CORRECT |ANSWER✔✔-1. |Synthesizes |lipids |
2. |Metabolizes |carbohydrates |
3. |Detoxifies |drugs |and |poisons |
4. |Stores |calcium |ions
What |are |the |functions |of |Rough |ER? |- |CORRECT |ANSWER✔✔-1. |Has |bound |ribosomes |that |
secrete |glycoproteins |
2. |Distribute |transport |vesicles, |secretory |proteins |surrounded |by |membranes
3. |Is |a |membrane |factory |for |the |cell
Glycoproteins |- |CORRECT |ANSWER✔✔-Proteins |covalently |bonded |to |carbohydrates
Golgi |apparatus |- |CORRECT |ANSWER✔✔-Consists |of |flattened |membranous |sacs |called |
cisternae
What |is |the |function |of |the |Golgi |Apparatus? |- |CORRECT |ANSWER✔✔-1. |Modifies |products |of |
the |ER
2. |Manufactures |certain |macromolecules |
3. |Sorts |and |packages |materials |into |transport |vesicles
What |is |a |lysosome? |- |CORRECT |ANSWER✔✔-A |membranous |sac |of |hydrolytic |enzymes |that |
can |digest |macromolecules
Lysosomal |enzymes |work |best |in_____. |- |CORRECT |ANSWER✔✔-Acidic |environment |inside |the
|lysosome
