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A Hydrophilic Head

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A Hydrophilic Head
(A) Hydrophilic Head- This head is attracted to water, so it faces outward to protect the cell from water. We used red “puff balls” because they resemble the hydrophilic head through the shape.

(B) Hydrophobic Tail- These tails are like to stay away from water, so they face inward. We used green pipe cleaners because they resemble hydrophobic tail by the way they can bend and be easily shaped.

(C) Ion Channel- Ions channels transport polar atoms like, Na+, K+, Ca++, and Cl-, in and out of the cell from high concentration to low concentration. We used yellow popsicle sticks with a gap in-between which because it resembles a channel and shows the passage way of the protein.

(D) Carrier Protein – facilitated diffusion of glucose. The carrier protein transports large molecules like amino acids and glucose from high concentration to low concentration. We used modeling clay with a large gap to show the large molecules are transported between through the carrier protein.

(E) Receptor Protein and Signal Molecule-**Functional** These items allow cell to communicate with other cells. We used a pipe cleaner in the shape of an antenna because antennas communicate to others.

(F) Sodium-Potassium Pump-**Functional** Sodium-Potassium pump is active transport, from low concentration to high concentration, which means it uses ATP to function. It transports 2 K+ in and 3 Na+ out every time it pumps. We used modeling clay with drinking straws. The straws act as the passageway for the pumped atoms.

(G) Glycoprotein – surface protein markers. These surface protein markers allow other cells to identify one another. The scan-able (you can scan it) QR code are identification to other cells, so if a cell does not have one, the cells know it is intruding.

(H) Junction Proteins –**Functional** Junction proteins allow cells to perform cell adhesion. We used Velcro because Velcro sticks to other Velcro, like the cells would.

(I) Cholesterol Molecules – Cholesterol molecules make it

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