Physio Ex 9.0 Exercise 1 Activity 5

Topics: Computer, High school, Education, Learning, Computer science, Science / Pages: 4 (910 words) / Published: Jul 29th, 2013
Exercise 1: Cell Transport Mechanisms and Permeability: Activity 5: Simulating Active Transport Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. The movement of sodium and potassium maintained by the Na+ -K+ pump You correctly answered: e. requires energy and is against a concentration gradient. 2. The sodium-potassium pump is classified as a(n) You correctly answered: a. antiporter. 3. The sodium-potassium pump moves _____ sodium ions and _____ potassium ions simultaneously. You correctly answered: b. 3, 2 4. Solutes that require active transport for movement might be too large to pass or might be You correctly answered: a. lipid insoluble.

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Experiment Results Predict Question: Predict Question 1: What do you think will result from these experimental conditions? Your answer : a. Na+ will be maximally transported. Predict Question 2: Do you think the addition of glucose carriers will affect the transport of sodium or potassium? Your answer : d. No, it will not affect the transport of either ion. Stop & Think Questions: Why did the sodium transport stop before the transport was completed? You correctly answered: c. The ATP was depleted. Why was the equilibrium for the solutes reached earlier? You correctly answered: c. There were more pumps for transport. Experiment Data: Run Number 1 1 2 2 3 4 4 5 5 5 Solute Na+ ClK+ ClNa+ ClK+ ClNa+ ClNa+ ClK+ ClNa+ ClK+ ClGlucose ATP 1.00 1.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 --Start Conc. L 9.00 0.00 9.00 0.00 9.00 9.00 0.00 9.00 0.00 0.00 Start Conc. R 0.00 6.00 0.00 6.00 0.00 0.00 6.00 6.00 6.00 10.00 Pumps 500 500 500 500 500 800 800 800 800 --Carriers ------------------400 Rate 0.0188 0.0125 0.0050 0.0033 0.0000 0.0083 0.0056 0.0083 0.0056 0.0046#

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Post-lab Quiz Results You scored 50% by answering 2 out of 4 questions correctly. 1. What happened when you increased the amount of ATP dispensed with the same concentration of

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