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Vesicles in Cell Biology

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Questions and Answers

What are vesicles called if they are prepared artificially?

Extracellular vesicles

Multilamellar liposomes

Lysosomes

Unilamellar liposomes (correct)

Which of the following is a correct statement about vesicles?

Vesicles are structures within a cell that consist of liquid enclosed by a lipid bilayer. (correct)

Vesicles are structures outside a cell that consist of cytoplasm enclosed by a lipid bilayer.

Vesicles are structures within a cell that consist of cytoplasm enclosed by a lipid bilayer.

Vesicles are structures outside a cell that consist of liquid enclosed by a lipid bilayer.

What is the function of vesicles?

To release their contents outside the cell

To fuse with other organelles within the cell

To perform a variety of functions

All of the above (correct)

What is the term for a vesicle released from the cell?

Extracellular vesicle Signup and view all the answers

What is the term for vesicles with only one phospholipid bilayer?

Unilamellar liposomes Signup and view all the answers

Which of the following best describes membrane potential?

The movement of charges from the interior to exterior of a biological cell Signup and view all the answers

What is the typical range of membrane potential in animal cells?

-80 mV to -40 mV Signup and view all the answers

What is the function of the membrane in a biological cell?

To insulate the cell from its surroundings Signup and view all the answers

What are transmembrane proteins responsible for?

Establishing concentration gradients Signup and view all the answers

What is the unit of measurement for membrane potential?

Milli volts Signup and view all the answers