Question 1

The ingestion of large particles by cells is a form of endocytosis known as

Accepted Answer

A)  fluid phase endocytosis. 
B)  macropinocytosis. 
C)  phagocytosis. 
D)  transcytosis. 
A)  fluid phase endocytosis. 
B)  macropinocytosis. 
C)  phagocytosis. 
D)  transcytosis.

Question 2

What is one function of cell-surface carbohydrates?

Accepted Answer

Cell-surface carbohydrates ser

Question 3

The MDR ABC transporter functions in a number of animal cells to transport

Accepted Answer

A)  glucose into cells. 
B)  ions into cells. 
C)  poisons and drugs out of cells. 
D)  amino acids across epithelia. 
A)  glucose into cells. 
B)  ions into cells. 
C)  poisons and drugs out of cells. 
D)  amino acids across epithelia.

Question 4

If a suspension of cells is frozen and fractured, the most likely path of the fracture plane will be

Accepted Answer

A)  between the cell surface and the outside solution. 
B)  between the membrane and the cytoplasm of the cells. 
C)  through the middle of the cytoplasm. 
D)  between the two leaflets of the cell membranes. 
A)  between the cell surface and the outside solution. 
B)  between the membrane and the cytoplasm of the cells. 
C)  through the middle of the cytoplasm. 
D)  between the two leaflets of the cell membranes.

Question 5

What percent of the ATP in a typical animal cell is consumed by the Na+-K+ pump?

Accepted Answer

A)  1% 
B)  10% 
C)  25% 
D)  66% 
A)  1% 
B)  10% 
C)  25% 
D)  66%

Question 6

The plasma membrane functions as a

Accepted Answer

A)  selective barrier to the passage of molecules. 
B)  site for the uptake of macromolecules into the cell. 
C)  site for cell-cell interactions. 
D)  All of the above 
A)  selective barrier to the passage of molecules. 
B)  site for the uptake of macromolecules into the cell. 
C)  site for cell-cell interactions. 
D)  All of the above

Question 7

The glucose facilitated diffusion transporter can transport glucose

Accepted Answer

A)  into the cell only. 
B)  out of the cell only. 
C)  into or out of the cell. 
D)  only in the presence of ATP. 
A)  into the cell only. 
B)  out of the cell only. 
C)  into or out of the cell. 
D)  only in the presence of ATP.

Question 8

Explain how phagocytosis differs mechanistically from other types of endocytosis.

Accepted Answer

In phagocytosis, an actin- and myosin-ba

Question 9

Which of the following lipids are distinctly enriched in lipid rafts?

Accepted Answer

A)  Cholesterol and sphingolipids 
B)  Glycolipids and phosphatidylinositol 
C)  Phosphatidylcholine and sphingomyelin 
D)  Phosphatidylethanolamine and phosphatidylserine 
A)  Cholesterol and sphingolipids 
B)  Glycolipids and phosphatidylinositol 
C)  Phosphatidylcholine and sphingomyelin 
D)  Phosphatidylethanolamine and phosphatidylserine

The ingestion of large particles by cells is a form of endocytosis known as

What is one function of cell-surface carbohydrates?

The MDR ABC transporter functions in a number of animal cells to transport

If a suspension of cells is frozen and fractured, the most likely path of the fracture plane will be

What percent of the ATP in a typical animal cell is consumed by the Na⁺-K⁺ pump?

The plasma membrane functions as a

The glucose facilitated diffusion transporter can transport glucose

Explain how phagocytosis differs mechanistically from other types of endocytosis.

Which of the following lipids are distinctly enriched in lipid rafts?

An Overview of Cells and Cell Research

Molecules and Membranes

Bioenergetics and Metabolism

Fundamentals of Molecular Biology

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

Exam 15: The Plasma Membrane

The ingestion of large particles by cells is a form of endocytosis known as

What is one function of cell-surface carbohydrates?

The MDR ABC transporter functions in a number of animal cells to transport

If a suspension of cells is frozen and fractured, the most likely path of the fracture plane will be

What percent of the ATP in a typical animal cell is consumed by the Na+-K+ pump?

The plasma membrane functions as a

The glucose facilitated diffusion transporter can transport glucose

Explain how phagocytosis differs mechanistically from other types of endocytosis.

Which of the following lipids are distinctly enriched in lipid rafts?

An Overview of Cells and Cell Research

Molecules and Membranes

Bioenergetics and Metabolism

Fundamentals of Molecular Biology

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

What percent of the ATP in a typical animal cell is consumed by the Na⁺-K⁺ pump?