Diagramming Cell Communication Remember: SHAPE DETERMINES FUNCTION Insulin is a hormone that is produced by the pancreas. It circulates around the body in the blood and binds to receptor proteins in the cell membrane of cells to "unlock" them and allow sugar to enter the cell. In people with type 2 diabetes, the shape of the receptor protein in the cell membranes is changed due to poor diet. As a result, insulin is no longer the correct shape to bind, and sugar stays in the blood.   For this assignment, I would like you to make two hand written drawings: Show insulin correctly binding to a receptor protein in a normal person's cell membrane. Show insulin UNABLE to bind to a receptor protein in the cell membrane of a person with Type 2 diabetes. The receptor should be an INCORRECT SHAPE to match the insulin molecule.

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Practice question 1C) Referring to the signalling diagrams, complete the table below. Consider how cell signalling will proceed in a cell exposed to hormone H with each of the following homozygous mutations. НК expressed? | Суclin A cell cycle expressed? progression? cell survival compared with wild type. Mutant (# refers to the active ? mutants listed above) (same, more, less) (yes/no) (yes/no) (yes/no) (yes/no) # 4 # 5 #1 + #2 Below is a list of mutations commonly found in different components of the hormone-signaling pathways. Mutant #1: The içRuundergoes a loss-of-function mutation. Mutant #2: GSK-3B can no longer be phosphorylated. Mutant #3: ERK is constitutively active. Mutant #4: Lyn undergoes a gain-of function mutation. Mutant #5: The cyclin A gene's DNA is highly compacted and inaccessible. Mutations in the signalling pathways depicted above have been associated with an increased incidence of several types of cancer. hormone H H extracellular fluid inactive GTP inactive RAS…

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Bonus: You use a drug to inactivate all of the kinases inside of an animal cell that is actively undergoing mitosis Part 1: What category of receptor would be directly affected? (one word answer) Part 2: Would this drug directly disrupt the enzymatic activity of a phosphatase? Briefly explain why. Part 3: Would this drug impact a phosphorylation cascade? Briefly explain why.

Please ASAP. Thank you. A hypothetical neuronal cell shows the following intracellular and extracellular concentration of sodium, potassium, calcium, and chloride ions.   Extracellular concentration (mM) Intracellular concentration (mM) (Ion)out/ (Ion)inside E ion at 37 oC Sodium ion 420 60     Potassium ion 25 420     Calcium ion 16 0.4     Chloride 565 45     How does increase in the extracellular potassium concentration to 250 mM affect the Nernst potential? Why?

a cell defense worksheet (1) [Compatibility Mode] Qv Search in Document Insert Draw Design Layout References Mailings Review View Acrobat + Sha 三,三, Century Gothic , 12 A A- Aa A IU abe X, x² Styles Styles Pane Create and Share Reque Adobe PDF Signatu What does polar mean? Hydrophilic Step 8: Insert channel proteins into the membrane. Transport substances across the membrane. Note: You can only transport substances using channel proteins until there were What is this process called? Step 9: Moving from to concentration requires the use of energy to substances. This is called transport and uses: (place answer in table) 1. 2. Which is cell Step 10: Carbohydrates are like identification badges. Cells that have different membrane The immune system uses the carbohydrates to carbohydrates do different that your cells belong to and are not or other foreign cells. What does the immune system do to foreign invaders? 149% E Focus 目 Page 2 of 3 505 words English (United States) MAR 15 MacBook Air…

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