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DCMP creates and streams accessible educational media to serve 7.5 million students, develops new technologies, and more through this ED grant. This includes the creation of high-quality captioning, audio description, and American Sign Language interpretation.

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The DCMP provides services designed to support and improve the academic achievement of students with disabilities. We partner with top educational and television content creators and distributors to make media accessible and available to these students.
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The Outer Envelope

13 minutes, 53 seconds

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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.

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Parallel lines of oval objects form a wall bridged by tendril like structures. Floating on either side of the wall are spherical objects. Caption: for larger molecules to get through.

In "Inside the Living Cell: The Outer Envelope," this biology video explains the structure and function of the cell membrane using the familiar example of a soap bubble. Key concepts include phospholipids, the lipid bilayer, selectively permeable membranes, osmosis, solutes, facilitated diffusion, active transport, endocytosis, phagocytosis, pinocytosis, receptor proteins, ATP, and ion movement. The video compares animal and plant cells, shows how protozoans and blood cells respond to changing water concentrations, and connects membrane transport to nutrient uptake, hormone signaling, immunity, and nerve impulses. This overview supports life science curricula focused on cell structure, membrane transport, homeostasis, and the relationship between structure and function in living systems. Part of the "Inside the Living Cell" series. Accessibility options on the DVD are: (1) expanded description, (2) English subtitles in a black box, (3) subtitled description.

Media Details

Runtime: 13 minutes, 53 seconds

Topic: Science
Subtopic: Biochemistry, Biology, Cells, Physiology
Grade/Interest Level: 8 - 12
Standards:

Release Year: 2004
Producer/Distributor: Biomedia Associates
Series: Inside The Living Cell
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Microscopic view of brick-like cells with red nuclei. Caption: this is a one-cell-think section of a growing onion root-

Parallel lines of oval objects form a wall bridged by tendril like structures. Floating on either side of the wall are spherical objects. Caption: for larger molecules to get through.

Illustration of a cell showing the cross section to expose the contents of the cell. Ribbon-like substance blankets the inner edge with spheres of various sizes suspended within. Caption: First, mitochondria take in molecules derived from food,

Illustration of two cells with identical internal structures. Caption: are passed on to each new generation of cells,

Viewer Comments

Shelley P. (Nampa, ID)

October 21st, 2015 at 04:00 PM

The first part was for very young audiences, but the 2nd part was great. The amoeba footage was excellent.