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a. Glucose is present in bacterial cells at a concentration ofabout 1 mM. What is the concentration of glucose expressed asmg/mL? How many molecules of glucose are contained in a typical E.coli cell (assuming that E. coli is in a cylindrical shape).
b. A number of regulatory proteins are present in E.coli at only 1or 2 molecules/ cell. If we assume that an E. coli cell contains just one molecule of a particular protein, what is the molar concentration of this protein in the cell? If the molecular weight of this protein is 40 kD, what is its concentration expressed as mg/mL?
Define Bonding and Molecule formation, Kn1 knowledge and understanding of atomic and molecular structure, chemical bonding, chemical formulas, chemical equations, mole calculations and the mole concept and the relation between elements of the Peri..
sample melts before you were ready to read the temperature. Should you cool the capillary and start again or prepare a fresh sample? Explain.
at 75 degrees celsius, a gas has a volume of 3.22 dm^2. What volume will it occupy at 75 k?
designing and preparing aqueous buffer solution with the ph indicated.ph3.50your buffer solution must have the capacity
an automobile radiator holds 4 gal of a 10 antifreeze-water mixture. the of antifreeze should be raised to twenty five
Some bacteria are able to harvest 1000-nm light. What is the energy (in kilocalories or kilojoules) of a mole (also called an einstein) of 1000-nm photons?
A buffer is prepared by adding 1.00 L of 1.0 M HCl to 750 mL of 1.5 M NaHCOO. What is the pH of this buffer? Ka = 1.7 × 10-4
A certain carbon-hydrogen compound contains 84.1% C by mass and the remainder is hydrogen. What is the empirical formula of the compound
If the graph was a curved line what would this mean. and how would the results be affected if a mistake was made and your temperature was in celcius
A 25.0 mL bubble is released from a diver's air tank at a pressure of 4.00 atm and a temp of 11.0 degrees C. Show how to determine the volume of the bubble when it reaches the surface where the pressure is 0.998 atm and the temp is 18.0 degrees C.
a weather balloon at earths surface has a volume of 3.9 l at 275 k and 775 mm hg. if the balloon is released volume
A 2.01 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
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