For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; use each word or phrase only once. (7 points) The specialized functions of different membranes are largely determined by the ____[1]_________ they contain. Membrane lipids are ___[2]____________ molecules, composed of a hydrophilic portion and a hydrophobic portion. All cell membranes have the same ______[3]__________ structure, with the _______[4]_________ of the phospholipids facing into the interior of the membrane and the ___[5]___________ on the outside. The most common lipids in most cell membranes are the _______[6]________. The head group of a glycolipid is composed of ____[7]___________.   amphipathic                              hydrophobic                                 phosphatidylserine cholesterol                                 lipid bilayer                                   phospholipids fatty acid tails                           lipid monolayer                           proteins glycolipids                                   lipids                                                 sterols hydrophilic head groups    phosphatidylcholine                sugars

(3 points) Why do cells not have membrane transport proteins for O2?  

    (3 points) Proteins extracted from control cells, cells treated with trypsin, and permeabilized cells treated with trypsin are examined using SDS- Polyacrylamide Gel Electrophoresis (SDS-PAGE). Based on the analysis of the SDS PAGE studies, scientists concluded that:

3.6 Qu’est-ce qu’elle fait dans le jardin? Donne deux détails (2)

(3 points) The lateral diffusion of a plasma membrane protein has been studied using the fluorescence recovery after photobleaching (FRAP) technique in a cell under normal conditions, and the following plot has been obtained. Under a different condition, membrane protein complexes disassemble freeing partially-immobilized protein components. As a result, its lateral diffusion coefficient is increased. How would you expect the FRAP curve to change under these new conditions? The dotted line in each graph is the original curve shown for comparison.

(3 points) Many amino acids in our diet are absorbed via the transcellular transport pathway by the intestinal epithelial cells. This process requires ATP hydrolysis by …

When a company needed to build a product that required difficult levels of coding, the company reached out to a programmer based on numerous recommendations that the programmer would do high-quality work on time and on budget. The new relationship was established and continued for over 13 years. Which of the seven organizational Trust Dividends was earned?

(5 points) Gastric acid is produced by parietal cells in the stomach. Its secretion is a complex and relatively energetically expensive process that acidifies the stomach with HCl while maintaining a neutral cytosolic pH. Using the space provided, describe the process of acidifying the gastric fluid and (1) describe each one of the 5 transporters shown, and (2) explain their role in creating the acidic gastric pH.

You find out that your colleague is getting recognized for a product you built, based on what this person claimed their role to be. In reality, they had only marginal involvement. You have been invited to work with this colleague again on a new project that interests you. What kind of trust talk will best suit your needs?

An employee with a negative attitude could contribute more if they would change their attitude and stop saying negative things about the organization. You do not want to fire the employee because they work well with customers. Which Trust Talk should you use in this situation?