Feeding in sponges is dependent on
a. collar cells.
b. pores.
c. water flow.
d. pores and water flow.
e. all of the above.
Answer: e
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Why is it necessary to take an interdisciplinary approach to studying biology?
A. Research methods used to solve many biological questions often require a number of different types of approaches and the expertise of a variety of scientists. B. An interdisciplinary approach is the only way we can further our biological knowledge. C. Interdisciplinary approaches are required to answer all scientific questions since all disciplines borrow knowledge from each.
Enzymes are _________________
A. highly specific B. most active at 0oC C. most active at 65oC D. multipurposeâ€"one enzyme catalyzes multiple pathways E. polysaccharides
Functionally important gene sequences such as those encoding ribosomal RNA are
A. highly repetitive sequences. B. minimally repetitive sequences. C. moderately repetitive sequences. D. transposable sequences. E. highly mutated sequences.
A medium that inhibits the growth of organisms other than the one being sought is termed a(n)
A. synthetic medium. B. specific culture medium. C. selective medium. D. enrichment medium.