Chordates can be characterized as having
A. bilateral symmetry.
B. a notochord.
C. a nerve cord.
D. All of the choices are correct.
Answer: D
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Which is the correct plural form of the word for the organisms studied in this exercise?
(a) alga. (b) algae. (c) algas. (d) algaes.
Would you expect dialysis membrane to be permeable to egg albumin, a protein with molecular weight of approximately 36,800? Why or why not?
What will be an ideal response?
Once transduction of a signal is complete, the receptor and its bound signaling molecule are removed from the cell
surface by ____.
a. hydrolysis b. diffusion c. endocytosis d. pinocytosis e. exocytosis
Describe why many vent animals that house chemosynthetic bacteria are not harmed by the sulfide compounds in their blood, which normally would be toxic to these animals
What will be an ideal response?