drawing cell membranes

Last night Mack and I worked on three posters for him to use in today’s oral report on cell membrane structures and functions in City High.  I don’t know what type of cells.  Mack said more than once, “That’s the cholesterol,” and I saw a “glycoprotein” label, so I surmised that they’re cells of a type in animals.  But I never asked Mack what we were drawing.  I just helped.  

Mack learns online

Mack did research on the internet, using my computer, to learn all the functions and processes of the components of cell membranes, including glycoproteins, glycolipids and phospholipids.

our first two drawings

Although I had given numerous colored markers, Mack had only brought two pencils, a pen, and a box of crayons from a sibling, .

drawing two in progress

I contributed two bullet-tip dry-erase markers, a white plastic eraser and a big, bullet-tip, black Bic marker.  If I hadn’t bought that a couple of weeks ago, the drawings would have been so weak.  While Mack drew the other poster, I drew this one (above and below).

phospholipid bilayer drawing

I colored it with crayons, as that’s what was at hand at night …

Brian draws phospholipid

Then I drew this poster while Mack was still on the Internet.

Brian draws phospholipid

I knew my crayon skills would be handy one day

Then I colored it with crayons while Mack was still on the Internet.

cell membrane drawing by Mack

This is the poster that Mack drew then colored.

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