Triglycerides store about ______ as much energy as carbohydrates.

a. two times
b. three times
c. four times
d. five times


a. two times

Biology & Microbiology

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The Central Dogma of biology can be stated as  

A.  proteins® RNA® DNA. B.  RNA® DNA® proteins. C.  DNA® proteins® RNA. D.  DNA® RNA® proteins.

Biology & Microbiology

Which of the following are not part of the shoot system?

A. leaves B. stems C. flowers D. roots E. fruits

Biology & Microbiology

The ________ is the collection of microorganisms (and their genes) that are normally present in and on an organism.

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

Biology & Microbiology

What class of antibodies is normally found in the mucosa of the respiratory tract?

a. IgA b. IgD c. IgE d. IgG e. IgM

Biology & Microbiology