Chorionic villus sampling differs from amniocentesis in that for CVS
A) cells must first be cultured.
B) biochemical tests can be performed on the sample.
C) a karyotype is prepared directly from collected cells.
D) cells do not directly descend from the fertilized ovum.
C) a karyotype is prepared directly from collected cells.
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Changes in community composition and structure over time are called
A) succession. B) stratification. C) zonation. D) characterization.
At the pH of most bodily fluids, which functional group will lose a proton and which functional group will accept a proton?
A. sulfhydryl; carbonyl B. amino; carboxyl C. carbonyl; Hydroxyl D. carboxyl; amino E. Hydroxyl; amino
What does Pseudomonas aeruginosa not cause?
What will be an ideal response?
Flagellated Protista probably gave rise to
A. Archaea. B. Animalia. C. Fungi. D. Plantae.