#1 Which of the following must occur when a position on the ER is not available

Question

#1 Which of the following must occur when a position on the ER is not available for a ribosome, which is translating a secretory protein

A The ribosome will temporarily dock on the smooth ER
B The ribosome will disassemble until there is an available position
C The ribosime will undergo translational arrest
D The ribosome will complete the synthesis of the protein and drop it into the cytosol as a domesticated protein

#2 N-glycosylation occurs in which organelle?

A RER
B SER
C Golgi Apparatus
D All of the above

#3 A protein with two stop-transfer sequences along with a Lys-Lys-Met-Ser sequence will end up where in the cell?

A Plasma Membrane
B ER Membrane
C The ER lumen
D The lysosome

#4 Which does NOT happen during co-translation of secretory proteins?

A Cleaving of protein
B Glycosylation of proteins
C Trimming of protein
D Protein folding

#5 Which is the CORRECT order the translational complex forms?

A mRNA---> large ribosome ---> small ribosome ---> tRNA
B Large ribosome ---> mRNA ---> small ribosome ---> tRNA
C Small ribosome ---> large ribosome ---> mRNA ---> tRNA
D mRNA ---> small ribosome ---> large ribosome ---> tRNA

#6 Which component of the cytoskeleton consist of rope-like fibrills that provides the cell mechanical strength when subjected to physical stress, including neurons, muscle cells, and the epithelial cells that line the body's cavities?

A Microtubules
B Microfiliaments
C Intermediate Filiaments
D Lamins

#7 What type of glycosylation occurs in the Golgi?

A Glycosylation of Asparagine
B Glycosylation of Serine
C Glycosylationof Asp and Ser
D Glycosylation of Nucleic Acids

#8 Ebony was examining a cell's organelle which was almost as large as the cell. She discovered that the pH was 4.6. Which of the following organelles was she studying?

A Nucleus
B Endosome
C Vacuole
D Lysosome

#9 Which is NOT a function of the smooth ER?

A Synthesis of carcinogens
B Synthesis of lipids, carbohydrates, and nucleic acids
C Detoxification
D Release of calcium and glucose


#10 Which signal sequence is NOT part of the final protein?

A Glycosylation
B Stop-transfer
C Leader sequence
D ER retention

#12 Detoxification of charred foods oftentimes form carcinogens from:

A acid hydrolases
B benoapadines
C benzopyrenes
D free radicals

Explanation / Answer

#1 Which of the following must occur when a position on the ER is not available for a ribosome, which is translating a secretory protein

A The ribosome will temporarily dock on the smooth ER
B The ribosome will disassemble until there is an available position
C The ribosime will undergo translational arrest
D The ribosome will complete the synthesis of the protein and drop it into the cytosol as a domesticated protein

#2 N-glycosylation occurs in which organelle?

A RER
B SER
C Golgi Apparatus
D All of the above

#3 A protein with two stop-transfer sequences along with a Lys-Lys-Met-Ser sequence will end up where in the cell?

A Plasma Membrane
B ER Membrane
C The ER lumen
D The lysosome

#4 Which does NOT happen during co-translation of secretory proteins?

A Cleaving of protein
B Glycosylation of proteins
C Trimming of protein
D Protein folding

#5 Which is the CORRECT order the translational complex forms?

A mRNA---> large ribosome ---> small ribosome ---> tRNA
B Large ribosome ---> mRNA ---> small ribosome ---> tRNA
C Small ribosome ---> large ribosome ---> mRNA ---> tRNA
D mRNA ---> small ribosome ---> large ribosome ---> tRNA

#6 Which component of the cytoskeleton consist of rope-like fibrills that provides the cell mechanical strength when subjected to physical stress, including neurons, muscle cells, and the epithelial cells that line the body's cavities?

A Microtubules
B Microfiliaments
C Intermediate Filiaments
D Lamins

#7 What type of glycosylation occurs in the Golgi?

A Glycosylation of Asparagine
B Glycosylation of Serine
C Glycosylationof Asp and Ser
D Glycosylation of Nucleic Acids

#8 Ebony was examining a cell's organelle which was almost as large as the cell. She discovered that the pH was 4.6. Which of the following organelles was she studying?

A Nucleus
B Endosome
C Vacuole
D Lysosome

#9 Which is NOT a function of the smooth ER?

A Synthesis of carcinogens
B Synthesis of lipids, carbohydrates, and nucleic acids
C Detoxification
D Release of calcium and glucose


#10 Which signal sequence is NOT part of the final protein?

A Glycosylation
B Stop-transfer
C Leader sequence
D ER retention

#12 Detoxification of charred foods oftentimes form carcinogens from:

A acid hydrolases
B benoapadines
C benzopyrenes
D free radicals

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