Which type of protist symbiotically provides nutrients to coral polyps?
a. amoebas
b. euglena
c. diatoms
d. dinoflagellates
d. dinoflagellates
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The importance of dietary fiber includes all of the following EXCEPT
Select one: a. dilution of bile salts. b. addition of bulk to the digestive tract. c. a decreased risk of constipation. d. a possible decreased risk of polyp formation. e. increased blood cholesterol levels.
Technology has introduced a range of specific, rapid tests for identifying and diagnosing infectious disease. While culturing a pathogen from a patient is always advantageous, what disadvantage(s) exist for traditional diagnostic techniques?
A. Critically ill patients may have to wait up to 48 hours for a culture to grow. B. The isolated organism is not the pathogen causing the disease. C. Certain pathogens are not able to be cultured in vitro. D. Some diseases are caused by more than one organism. E. All of the above are valid arguments against traditional diagnostic techniques.
Eukaryotes originated after the rise in atmospheric oxygen
Indicate whether the statement is true or false.
Cells use energy for which of the following?
A. to do work B. to synthesize proteins C. to expel waste D. to move substances across membranes E. All answers are correct