A continuous process is set up for treatment of waste water. Each day cellulose and bacteria enter in the feed stream, while 6x104 kg cellulose and 3xloºg bacteria leave in the effluent. The bacteria to cellulose ratio in the feed is 0.5x102. The rate of cellulose digestion by the bacteria is 1.4x105 kg. day. while the rate of bacterial growth is 4x104 kg. day 1. The rate of cell death by lysis is 60x102 kg. day -1 a) Draw and label the process flow diagram (5) b) Write balances for each component. (10) c) If the cellulose accumulation is 4x104 kg each day find the cellulose and bacteria flow rates in the feed as well as the bacteria accumulation in the system. (10)
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Biology, 21.06.2019 20:00, zozo72
After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.
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Biology, 22.06.2019 18:30, cassidy100117
What are the two functions of the respiratory system
Answers: 2
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