36. Purpose of the sylcocaly a. Protection C.Structure b. Regulation of molecule

Question

36. Purpose of the sylcocaly a. Protection C.Structure b. Regulation of molecules d. ion exchange 37. Carbohydrate layer on the plasma membrane includes all of the following except c. Gives a cell its distinctive characteristics no one of these answers are correct a. Adhesion b. Recognition d. 38 Bacteriorhodopsin: c. Act as a membrane protein receptor d. Act as a membrane gated channel protein a. Act as a membrane transport protein b. Act as a membrane channel protein 39. Which structures add to the fluidity of the plasma membrane: c. ghycocalyx d cell cortex e. none of these are correct a. Carbohydrates b. ATP there is an equal distribution of newly synchesired phospholigids across the membrane? 40. Which enryme envuares c. Scarmblases d. bransferase b. Spectrin True and False in is a protein found in all eukaryotic cels that provide support to the plasma membrane. 41. Spectri 42 Tramumembrane proneins allow large particles to pass through the membrane 43. Certain prokaryotes and eukaryotes adapt to changing environments by changing the unsaturated talis of the plauma membrane 44. Animalh, yeast, bacteria, and viruses contain membrane organelles 45. Animals, yeast, bacteria contain a cell 46 Reduction is gaining of H+ and osidation is gaining of He 47. Formation of macromolecules is an energetically favorable reaction that is coupled with formation of "onomer. an energetically favorable reaction 4B. The breakdown of macromolecules is a spontaneous reaction 49. Vmax is used to Indicate if the substrate is binding very tightly to the enzyme. A high Vmax indicates weak binding and a low Vimax value indicates tight bonding 50 Activated carriers are lange molecules that that contain one energy rich covalent bonds

Explanation / Answer

36) Purpose of glycocalyx: regulates the molecule option c is right (glycocalyx regulates the vascular permeability and modulates intercations found between endothelial cells and blood).

37) option a is correct : adhesion is not include as a function in carbohydrate layer found on the plasma membrane.

38) option a is right : bacteriorhodopsin is act as membrane transport protein (its a light driven proton pump and transport protein is a kind of proton pump which pump the ions across the membrane and form ion gradient)

39) e option is right : none of these is correct (fludity is added by cholesterol in the plasma membrane)

40) a option is right : Flippase enzyme

TRUE/FALSE

41) false (spectrin is protein found in RBC's Plasma membrane )

42) Ture : transmembrane protein allow to trasport larger protein by binding it specifically.

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