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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology