Question 1

A protein that is N-glycosylated is expected to be

Accepted Answer

A) secreted from the cell. 
B) retained in the endoplasmic reticulum. 
C) localized in the Golgi body. 
D) imported into a cell by endocytosis. 
E) a peroxisome enzyme. 
A) secreted from the cell. 
B) retained in the endoplasmic reticulum. 
C) localized in the Golgi body. 
D) imported into a cell by endocytosis. 
E) a peroxisome enzyme.

Question 2

Sorting of hormones into regulated secretory vesicles in the trans-Golgi network involves

Accepted Answer

A) mannose-6-phosphorylation. 
B) formation of large aggregates. 
C) a KDEL receptor. 
D) a zymogen granule receptor. 
E) O-linked glycosylation 
A) mannose-6-phosphorylation. 
B) formation of large aggregates. 
C) a KDEL receptor. 
D) a zymogen granule receptor. 
E) O-linked glycosylation

Question 3

Peroxisomes

Accepted Answer

A) are not derived from the endoplasmic reticulum. 
B) are bounded by double membranes. 
C) possess acid phosphatase activity. 
D) possess mannose phosphotransferase activity. 
E) exist only in algae and photosynthetic cells in plants. 
A) are not derived from the endoplasmic reticulum. 
B) are bounded by double membranes. 
C) possess acid phosphatase activity. 
D) possess mannose phosphotransferase activity. 
E) exist only in algae and photosynthetic cells in plants.

Question 4

The continuous release of mucus by the epithelial cells lining the respiratory tract is an example of

Accepted Answer

A) regulated secretion. 
B) constitutive secretion. 
C) the mucus response. 
D) clathrin-coated pit formation. 
E) phagocytosis. 
A) regulated secretion. 
B) constitutive secretion. 
C) the mucus response. 
D) clathrin-coated pit formation. 
E) phagocytosis.

Question 5

Which of the following molecules forms the coat during receptor-mediated endocytosis-coated pit formation?

Accepted Answer

A) mannose-6-phosphate 
B) T-SNARE 
C) clathrin 
D) tethering protein 
E) caveolin 
A) mannose-6-phosphate 
B) T-SNARE 
C) clathrin 
D) tethering protein 
E) caveolin

Question 6

Coated vesicles known as ________ may be associated with redox sensing.

Accepted Answer

The answer of Coated vesicles known as ________ may be...

Question 7

The endoplasmic reticulum is a site for

Accepted Answer

A) potassium storage in muscle cells. 
B) drug detoxification by catalase. 
C) N-linked glycosylation of polypeptides. 
D) addition of lipid residues. 
E) degradation of foreign material brought into the cell by phagocytosis. 
A) potassium storage in muscle cells. 
B) drug detoxification by catalase. 
C) N-linked glycosylation of polypeptides. 
D) addition of lipid residues. 
E) degradation of foreign material brought into the cell by phagocytosis.

Question 8

________ bind specific receptors to clathrin in receptor-mediated endocytosis vesicles.

Accepted Answer

Adaptor pr

Question 9

Each of the following is part of the endomembrane system,except

Accepted Answer

A) Golgi complex. 
B) endosomes. 
C) lysosomes. 
D) peroxisomes. 
E) zymogen granules. 
A) Golgi complex. 
B) endosomes. 
C) lysosomes. 
D) peroxisomes. 
E) zymogen granules.

Question 10

The plant cell organelle most analogous to the animal cell endosome is the

Accepted Answer

A) provacuole. 
B) lysosome. 
C) peroxisome. 
D) glyoxysome. 
E) None of the above are analogous. 
A) provacuole. 
B) lysosome. 
C) peroxisome. 
D) glyoxysome. 
E) None of the above are analogous.

Question 11

Which of the following techniques would be best used to measure the strength of a v-SNARE-t-SNARE interaction?

Accepted Answer

A) X-ray crystallography 
B) TIRF microscopy 
C) GFP fusion proteins 
D) optical tweezers 
E) radioactive pulse labeling 
A) X-ray crystallography 
B) TIRF microscopy 
C) GFP fusion proteins 
D) optical tweezers 
E) radioactive pulse labeling

Question 12

Which of the following proteins requires GTP in the process of LDL receptor-mediated endocytosis?

Accepted Answer

A) LDL receptor 
B) dynamin 
C) AP-2 complex 
D) uncoating enzyme 
E) clathrin 
A) LDL receptor 
B) dynamin 
C) AP-2 complex 
D) uncoating enzyme 
E) clathrin

Question 13

________ pump protons to keep the internal proton concentration of lysosomes high.

Accepted Answer

ATP-depend

Question 14

You have isolated two fractions containing similar-sized vesicles by centrifugation.You suspect one fraction contains lysosomes and the other contains peroxisomes.To confirm that a fraction contains peroxisomes,you would assay for which of the following enzymes?

Accepted Answer

A) acid phosphatase 
B) β-glucuronidase 
C) ribonuclease 
D) a protease 
E) catalase 
A) acid phosphatase 
B) β-glucuronidase 
C) ribonuclease 
D) a protease 
E) catalase

A protein that is N-glycosylated is expected to be

Sorting of hormones into regulated secretory vesicles in the trans-Golgi network involves

Peroxisomes

The continuous release of mucus by the epithelial cells lining the respiratory tract is an example of

Which of the following molecules forms the coat during receptor-mediated endocytosis-coated pit formation?

Coated vesicles known as ________ may be associated with redox sensing.

The endoplasmic reticulum is a site for

________ bind specific receptors to clathrin in receptor-mediated endocytosis vesicles.

Each of the following is part of the endomembrane system,except

The plant cell organelle most analogous to the animal cell endosome is the

Which of the following techniques would be best used to measure the strength of a v-SNARE-t-SNARE interaction?

Which of the following proteins requires GTP in the process of LDL receptor-mediated endocytosis?

________ pump protons to keep the internal proton concentration of lysosomes high.

You have isolated two fractions containing similar-sized vesicles by centrifugation.You suspect one fraction contains lysosomes and the other contains peroxisomes.To confirm that a fraction contains peroxisomes,you would assay for which of the following enzymes?

A Preview of Cell Biology

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: the Flow of Energy in the Cell

Enzymes: the Catalysts of Life

Membranes: Their Structure,function,and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesions, cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: Dna, chromosomes, and the Nucleus

DNA Replication, repair, and Recombination

Gene Expression: Ithe Genetic Code and Transcription

Gene Expression: Iiprotein Synthesis and Sorting

The Regulation of Gene Expression

Molecular Biology Techniques for Cell Biology

Signal Transduction Mechanisms: Ielectrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Iimessengers and Receptors

The Cell Cycle and Mitosis

Sexual Reproduction,meiosis,and Genetic Recombination

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Exam 12: The Endomembrane System

A protein that is N-glycosylated is expected to be

Sorting of hormones into regulated secretory vesicles in the trans-Golgi network involves

Peroxisomes

The continuous release of mucus by the epithelial cells lining the respiratory tract is an example of

Which of the following molecules forms the coat during receptor-mediated endocytosis-coated pit formation?

Coated vesicles known as ________ may be associated with redox sensing.

The endoplasmic reticulum is a site for

________ bind specific receptors to clathrin in receptor-mediated endocytosis vesicles.

Each of the following is part of the endomembrane system,except

The plant cell organelle most analogous to the animal cell endosome is the

Which of the following techniques would be best used to measure the strength of a v-SNARE-t-SNARE interaction?

Which of the following proteins requires GTP in the process of LDL receptor-mediated endocytosis?

________ pump protons to keep the internal proton concentration of lysosomes high.

You have isolated two fractions containing similar-sized vesicles by centrifugation.You suspect one fraction contains lysosomes and the other contains peroxisomes.To confirm that a fraction contains peroxisomes,you would assay for which of the following enzymes?

A Preview of Cell Biology

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: the Flow of Energy in the Cell

Enzymes: the Catalysts of Life

Membranes: Their Structure,function,and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesions, cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: Dna, chromosomes, and the Nucleus

DNA Replication, repair, and Recombination

Gene Expression: Ithe Genetic Code and Transcription

Gene Expression: Iiprotein Synthesis and Sorting

The Regulation of Gene Expression

Molecular Biology Techniques for Cell Biology

Signal Transduction Mechanisms: Ielectrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Iimessengers and Receptors

The Cell Cycle and Mitosis

Sexual Reproduction,meiosis,and Genetic Recombination

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