28) 28) True or . ntoautotrophs are capable of converting inorganic carbon into

Question

28) 28) True or . ntoautotrophs are capable of converting inorganic carbon into organic carbon. B) False A) True 29) 29) Shown below is the GLUT2 protcin. To generate the observed topology across the plasma 29) Shown below is the GLUT2 protein. To generate the GLUT2 protein had to be an) first signal sequence encountered within the primary structure of transfer sequence Extracelular Plasma Membrane coo NH, A) internal stop B) internal start C) C-terminal start D) N-terminal stop E) N-terminal start 30) True or False?: In a person afficted with cystic fibrosis, the airway remains hypotonic to the surrounding 30) cells, preventing the movement of water into airway A) True 31) By definition, a cell engaged in phagocytosis MUST be.. 31) A) acquiring liquids in bulk B) exporting solid materials C) engulfing a particle greater than 0.5 um in diameter D) utilizing receptors to engulf specific molecules in bulk E) exporting extracellular fluids 32) A noncompetitive inhibitor will affect the of an enzymatic reaction. 32) A) A c) s D) P E) both Km and V max 33) 33) The sodium-po tassium pump influences a cell's membrane potential by keeping the intracellular fluid more negative than the extracellular fluid. This is primarily because A) It hydrolyzes ATP into ADP and inorganic phosphate in the cytoplasm B) it traps CI- ions in the cytoplasm. two K+ ions it brings into the cell, it transports three positive Na+ ons out of the D) for every two K+ ions i transports out of the cell, it transports three positive Na+ ions into E) None of the above. The sodium-potassium pump has no influence on a cell's membrane cell the cell potential.

Explanation / Answer

28) TRUE ; Carbon fixation is the process in which inorganic carbon is converted to organic carbon, all autotrophs assimilates carbon into starch by the photosynthesis process.

29) E N termina start, GLUT 2 are seven passed glucose transporter, which metabolise insulin and hormone uptake into the cell, it starts at N terminus and signallize the hormone response to the cell.

30) TRUE, in the treatment of cystic fibrosis, effective treatment is hypertonic saline treatment, so that air way get cleared dehydration and depletion theory works.

31) C engulfing of the bacterial cell or other cell greater than 0.5um which are termed as phago cytosis, phago means eating cyto means cell and get digested by the lysosomal enzymes.

32) B

A non competitive inhibitor effects Vmax in the enzyme catalysed reaction, in which V max get decrease and Km is constant, because inhibitor will bind not only at active site, though substate binds to allosteric site,

33) C in maintaining of the membrane potential by the Na+ and K+ pump invovles movement of 3 Na+ ions inside makes 2 K+ outside from the cell when every ATP molecule is utilised. Due to phosphorylation Na+ moves and dephosphorylation makes K+ to move out to maintain balance.

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