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#1 Molecules that enter the cell through the Endocytic Pathway enter by: A Facil

ID: 11838 • Letter: #

Question

#1 Molecules that enter the cell through the Endocytic Pathway enter by:

A Facilitated Transport
B Osmosis
C Receptor-Mediated-Endocytosis
D Diffusion

#2 Which sequence can serve as a signal peptide?

A lys-arg-glu-gly-phe-gly-lys-glu
B gly-asp-met-glu-asp-gly-lys-arg
C arg-leu-asp-lys-phe-glu-arg-pro
D leu-gly-met-leu-phe-met-leu-phe

#3 Lys-Asp-Glu-Leu is a sequence which causes response in the ER?

A Protein retention
B Protein release
C Glycosylation of Mannoses
D Signal peptide cleavage

#4 Which is NOT true of the Signal Hypothesis?

A It explains how macromolecules are routed through the biosynthetic and Endocytic
B It explains how the destination of proteins are guided by encoded signals of macromolecules
C It explains how signal sequences guide domesticated proteins in the cytoplasm
D It proposes that proteins must encode signal sequences for transport, glycosylation and modification

#5 A molecule traveling through the Endocytic Pathway would follow which route?

A ER--> Golgi--> Lysosome--> PM
B ER--> Golgi--> Early endosomes--> Late endosomes
C PM--> Early Endosome --> late Endosome --> Lysosome --> cytoplasm
D PM --> Late Endosomes --> Early Endosomes --> cytoplasm

#6 Which organelle varies in morphology from interconnecting tubules to vesicles?

A RER
B Golgi
C SER
D TGN

#7 Which organelle consist of flatten saccules with dilated rims and are associated with tubules and vessicles?

A RER
B SER
C Golgi
D Lysosome

#8 What is the function of IgpA and IgpB proteins in lysosomal membrane?

A They maintain a low pH in Lysosomes
B They prevent degredation of Lysosomal Membrane
C They are proton-ATPase pumps
D They transport lysosomal enzymes into the Lysosome

#9 Which is a TRUE characteristic of Nuclear Lamins?

A It is a fibrous network which aligns the inner surface of the cytoplasmic side of the nucleus
B It provides mechanical support and an attachment site for chromatin material at the nuclear periphery
C It is a component of the Nuclear Pore Complex
D It regulates what enters and exits the nucleus

Explanation / Answer

#1 Molecules that enter the cell through the Endocytic Pathway enter by:

A Facilitated Transport
B Osmosis
C Receptor-Mediated-Endocytosis
D Diffusion

#2 Which sequence can serve as a signal peptide?

A lys-arg-glu-gly-phe-gly-lys-glu
B gly-asp-met-glu-asp-gly-lys-arg
C arg-leu-asp-lys-phe-glu-arg-pro
D leu-gly-met-leu-phe-met-leu-phe

#3 Lys-Asp-Glu-Leu is a sequence which causes response in the ER?

A Protein retention
B Protein release
C Glycosylation of Mannoses
D Signal peptide cleavage

#4 Which is NOT true of the Signal Hypothesis?

A It explains how macromolecules are routed through the biosynthetic and Endocytic
B It explains how the destination of proteins are guided by encoded signals of macromolecules
C It explains how signal sequences guide domesticated proteins in the cytoplasm
D It proposes that proteins must encode signal sequences for transport, glycosylation and modification

#5 A molecule traveling through the Endocytic Pathway would follow which route?

A ER--> Golgi--> Lysosome--> PM
B ER--> Golgi--> Early endosomes--> Late endosomes
C PM--> Early Endosome --> late Endosome --> Lysosome --> cytoplasm
D PM --> Late Endosomes --> Early Endosomes --> cytoplasm

#6 Which organelle varies in morphology from interconnecting tubules to vesicles?

A RER
B Golgi
C SER
D TGN

#7 Which organelle consist of flatten saccules with dilated rims and are associated with tubules and vessicles?

A RER
B SER
C Golgi
D Lysosome

#8 What is the function of IgpA and IgpB proteins in lysosomal membrane?

A They maintain a low pH in Lysosomes
B They prevent degredation of Lysosomal Membrane
C They are proton-ATPase pumps
D They transport lysosomal enzymes into the Lysosome

#9 Which is a TRUE characteristic of Nuclear Lamins?

A It is a fibrous network which aligns the inner surface of the cytoplasmic side of the nucleus
B It provides mechanical support and an attachment site for chromatin material at the nuclear periphery
C It is a component of the Nuclear Pore Complex
D It regulates what enters and exits the nucleus