The rumen of the first stomach of ruminants serves as a fermentation chamber in which bacteria and protozoa degrade  

A.  fats.
B.  glucose.
C.  protein.
D.  starch.
E.  cellulose.
 


E.  cellulose.

Biology & Microbiology

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Fertilization of human eggs usually takes place in the _____

A) ovary B) uterus C) vagina D) oviduct E) cervix

Biology & Microbiology

Which of the following two enzymes are needed to construct a cDNA library?  

A.  reverse transcriptase and DNA ligase B.  reverse transcriptase and Taq polymerase C.  DNA ligase and Taq polymerase D.  Taq polymerase and RNA polymerase Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content · What do you already know about DNA libraries?   Consider Possibilities · Consider the different answer options. Which can you rule out?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

The streamlined bodies seen in sharks, tuna, and dolphins best relate to 

A. a recent shared common ancestor. B. dissimilar selection pressures. C. the physical properties of water. D. the need to escape fast-moving predators. E. intelligent design.

Biology & Microbiology

When we eat dairy products, we need ________, the enzyme used to hydrolyze ________ into glucose and galactose. In the absence of this enzyme, we may experience cramps and diarrhea, a condition called ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology