The accumulation of lactate cease after oxygen is aIDed

Q1. When oxygen is aIDed to the anaerobic suspension of cells consuming glucose at a high rate, the rate of glucose consumption declines dramatically as the oxygen is used up, and accumulation of lactate ceases. This effect was first observed by Louis Pasteur in the 1860s and is characteristic of most cells capable of both aerobic and anaerobic glucose catabolism.

a) Why does the accumulation of lactate cease after oxygen is aIDed?

b) Why does the presence of oxygen decrease the rate of glucose consumption? Clarify.

Q2. If wind blows at 35 m/s^2 over the house, what is net force on the roof if its area is 240 square meters and the roof is flat? Show all work, with equation and substitution units.

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