Describe the five steps in the current process of ethanol production from cellulosic plant material
What will be an ideal response?
1 . grinding of the plant material
2 . acid, pressure, and heat treatment to break linkages between lignin, cellulose, and hemicellulose; this step also degrades hemicellulose into a mixture of simple five carbon and six carbon sugars (xylose)
3 . cellulase conversion of the liberated cellulose to glucose
4 . fermentation to produce ethanol: glucose from cellulose by yeast to produce ethanol; xylose from hemicellulose by bacteria to produce ethanol
5 . distillation and concentration of the ethanol
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A fair coin is tossed five times. Which sequence is more likely, HTTHH or HHHHH? Or are they equally likely? Explain.
What will be an ideal response?
The chemical formula for nitrous oxide is ____________________
Fill in the blank(s) with the appropriate word(s).Combination fittings can be used _____
Fill in the blank(s) with the appropriate word (s).
A simple way to convert parallel to serial data is to use ________
A) a FIFO memory B) a binary to hexadecimal converter C) a full-adder D) a parallel in serial out shift register