Which of the following techniques is most commonly used in the prenatal diagnosis of genetic disorders, such as cystic fibrosis, in a human fetus?
A) Chorionic villus sampling
B) Isolation of fetal cells from maternal blood
C) Amniocentesis
C
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The group that probably gave rise to chloroplasts is the
A. cyanobacteria. B. green photosynthetic bacteria. C. purple sulfur bacteria. D. non-sulfur purple bacteria. E. methane bacteria.
During the cell cycle, check points serve to be sure that the cell is ready to go through the next part of the cell cycle.
a. true b. false
What antibiotic is mixed with neomycin and polymyxin to make an antibiotic ointment (Neosporin) for superficial skin infections?
A. Chloramphenicol B. Vancomycin C. Bacitracin D. Clindamycin E. Streptomycin
The production of NADH takes place during the ________ stage(s) of glycolysis
A) energy-conservation B) energy-investment C) lysis D) lysis and energy-investment E) energy-investment and energy-conservation