Would you help me with the following question? An enzyme catalyzes a reaction at a velocity of 20 umol/min when the concentration of substrate (S) is 0.01 M. The Km for this substrate is 1 x 10-5 M. Assuming that Michaelis-Menten kinetics are followed, what will be the reaction velocity […]

What are the assumptions on which rests the mathematical model for colony growth in microorganisms? What are some attrinutes of the exponential growth phase?stationary phase?declining phase? What do you think the original purpose was for the hemacytometer? Why was the turbidity of yeast culture measured using light of 660 nm […]

Suppose that the extracellular concentration of Cl– is 123 mM and the intracellular concentrationis 4 mM. The membrane electrical potential (?V) is 0.06 V, inside negative relative to outside. At 298 K, for transport of Cl– ions from the outside into the cell: 1) Calculate the electrical potential term of […]

2. What other mechanisms would cause the differences in coleoptile length between light and dark grown seedlings? 3. Carbon dioxide needed for photosynthesis enters the leaf via the stomata but water is also lost when these pores are open. Water is often limiting and to limit water loss through stoma […]