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