Free Membership - Access to more than just media

Families and school personnel (including those in training) who have at least one student with a disability can sign up for free membership.

A video screenshot of men in midevil costumes featuring our containing closed captioning

Accessible Media

Standards-aligned videos with high-quality captions and audio description.

A screenshot of a video in our Learning Center with an arrow pointing to the Create Clip button

Teaching Tools

Create lessons and assign videos to managed Student Accounts.

A video still of someone doing Sign Language with the closed caption reading 'You can practice reading my signs.'

Training Videos

Educator and sign language training videos for school personnel and families.

The Amoeba Sisters: Intro To Cell Signaling

9 minutes 34 seconds

Apply for Free Membership

Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles

Cartoon of a blue amoeba poking an irritated orange amoeba with an arrow that reads, "Intercellular to intracellular" that points to a frowning orange amoeba. Another blue amoeba stands next to an arrow that reads, "Intracellular to intercellular" and points to a blue amoeba poking an orange amoeba. Title card reads, "Signaling."

In "The Amoeba Sisters: Intro To Cell Signaling," the concepts of cell communication and signaling are explored. Using an engaging analogy of the game "Telephone," this video delves into the intricacies of how cells transmit and receive messages through cell signaling. The video introduces key terms such as receptors, signaling molecules (ligands), and the processes of reception, transduction, and response, which are central to multicellular organisms. The importance of this biological communication is underscored by examples like how cells in organs like the heart collaborate and how disruptions in signaling could lead to disorders like cancer or the impact of viruses like HIV. This content is crucial for understanding cellular biology and the functioning of organisms, making it an insightful resource for young learners interested in biology.