+
Endocytosis and Exocytosis
4 Tutorials that teach Endocytosis and Exocytosis
Take your pick:
Endocytosis and Exocytosis

Endocytosis and Exocytosis

Author: Nathan Lampson
Description:
This lesson introduces the processes of endocytosis and exocytosis, both processes which move larger molecules in and out of the cell, by way of vacuoles.
(more)
See More
Introduction to Psychology

Analyze this:
Our Intro to Psych Course is only $329.

Sophia college courses cost up to 80% less than traditional courses*. Start a free trial now.

Tutorial

 

Endocytosis

A cell takes in large molecules by forming a vesicle.  Vesicles and vacuoles created during endocytosis are composed of plasma membrane.  Endocytosis is a form of active transport because it requires energy in the form of ATP in order to occur.

Exocytosis

In exocytosis, the cell exports bulky materials by containing them in a vesicle and expelling them through the cell membrane.  Exocytosis is the reverse process of endocytosis.

Example:

When humans cry, exocytosis is used to expel a salty solution containing proteins.

Source: Concepts in Biology Twelfth Edition Eldon Enger, et al.