Why are colonial protists not considered to be multicellular?
What will be an ideal response?
Little integration of cell activities occurs between cells in a colony, so they are not truly multicellular.
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Comparative embryology helped clarify the relationships among major groups of animals. The bilaterians, for example, can be divided into the _____ based on the developmental fate of the blastopore
A. protostomes and deuterostomes B. coelomates and acoelomates C. coelomates and pseudocoelomates D. cnidarians and radiolarians E. protostomes and coelomates
Where is the primary motor area responsible for initiating voluntary commands to skeletal muscles located?
Many antibiotics cause mispairing between codons and anticodons. What fatal effect would this mispairing have on the cell?
What will be an ideal response?
Tissue biopsy taken from a puncture wound is:
a. Is acceptable, however an aspirate would not contain contaminating flora b. Is acceptable, and is the optimal specimen for anaerobic culture c. Is unacceptable, due to the high level of potential contaminating flora d. Is unacceptable, because the sample is not considered anaerobic