Choanocytes are a characteristic of members of the phylum Cnidaria
____________________ Indicate whether the statement is true or false.
F, Porifera
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What adaptations do birds have to aid in flight, other than feathers and wings?
What will be an ideal response?
Which antibody has the shape of a pentamer, or five-sided arrangement?
A) IgA B) IgD C) IgM D) IgG
Continuous cell lines differ from primary cell lines in that
A) viruses can be grown in continuous cell lines. B) continuous cell lines always have to be re-isolated from animal tissues. C) continuous cell lines are derived from primary cell lines. D) continuous cell lines can be maintained through an indefinite number of generations. E) continuous cell lines are from human embryos.
Which of the following is an example of horizontal gene transfer in bacteria?
1) Transduction, conjugation, and transformation 2) Conjugation 3) Transformation 4).Conjugation and transformation 5) Transduction