Cellular Processes Quiz: Exocytosis and Endocytosis
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Questions and Answers

What is the process associated with the formation and budding of vesicles from the plasma membrane?

Exocytosis

Name the three different mechanisms involved in the uptake of fluid and macromolecules during endocytosis.

Pinocytosis, Phagocytosis, Receptor-mediated endocytosis

What is pinocytosis?

Nonspecific ingestion of fluid and small protein molecules via small vesicles

What type of process is pinocytosis?

<p>Constitutive process</p> Signup and view all the answers

What is involved in pinocytotic vesicle scission?

<p>Mechanoenzymes</p> Signup and view all the answers

What is the process called when a plasma membrane sends out pseudopodia to engulf large particles into phagosomes?

<p>Phagocytosis</p> Signup and view all the answers

What type of endocytosis is generally a receptor-mediated process?

<p>Phagocytosis</p> Signup and view all the answers

What is required in actin-dependent endocytosis for pseudopodial extension?

<p>Depolymerization and repolymerization of actin filaments</p> Signup and view all the answers

What is the process that brings molecules and other substances into the cell?

<p>Endocytosis</p> Signup and view all the answers

What kind of materials are internalized in phagocytosis without involvement of antibodies and Fc receptors?

<p>Nonbiologic materials and cellular debris</p> Signup and view all the answers

What are the two major forms of vesicular transport?

<p>Endocytosis and Exocytosis</p> Signup and view all the answers

What process allows specific molecules to enter the cell?

<p>Receptor-mediated endocytosis</p> Signup and view all the answers

Which form of endocytosis involves the cell engulfing solid particles or large molecules?

<p>Phagocytosis</p> Signup and view all the answers

What are the smooth-surfaced vesicles shown in the electron micrograph indicative of?

<p>Pinocytotic vesicles</p> Signup and view all the answers

What is the process where the cell takes in fluid and solutes into small vesicles?

<p>Pinocytosis</p> Signup and view all the answers

In which process does the cell release substances from vesicles to the outside environment?

<p>Exocytosis</p> Signup and view all the answers

What type of transport involves an expenditure of energy to move substances against their concentration gradient?

<p>Active transport</p> Signup and view all the answers

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