Vacuoles for ingesting food and regulating their water balance are characteristic of
A. spirochetes.
B. sporozoans.
C. ciliates.
D. trypanosomes.
E. algae.
Answer: C
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Phycobiliproteins are
A. found in purple sulfur bacteria. B. found in cyanobacteria. C. used to gather wavelengths of light that are not well absorbed by chlorophyll. D. are used to reduce hydrogen sulfide. E. found in cyanobacteria AND used to gather wavelengths of light that are not well absorbed by chlorophyll.
About 180 liters of blood plasma is filtered into human nephrons per day and, of that amount, about 2-3 liters leaves the body as urine. Therefore, the percentage of plasma filtrate that leaves as urine each day is about _______.
A. 10-20 percent B. 20-50 percent C. 0.1-0.2 percent D. 1-2 percent E. 5-10 percent F. 0.5-1.0 percent Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about filtrate? What other information is related to the question? Choose Answer Given what you now know, what information 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?
Scurvy is a deficiency disease related to which of the
following vitamins? a. A b. B1 (thiamine) c. C (ascorbic acid) d. B2 (riboflavin) e. niacin
A beta-pleated sheet is an example of a protein’s tertiary structure
__________________Indicate whether the statement is true or false.