CVS cannot detect inborn errors of metabolism because
A) it does not sample amniotic fluid.
B) it is done too early in the pregnancy.
C) it is done too late in the pregnancy.
D) such errors are not detectable until after birth.
A) it does not sample amniotic fluid.
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Match the type of microscopy with the appropriate characteristic.
A) uses a laser to view a single plane of a specimen B) detects electrons passing through a specimen C) light passes directly through specimen D) detects electrons deflected from the surface of the specimen E) shows specific molecules F) amplifies variations in density 1) Brightfield 2) Fluorescence 3) Phase-contrast 4) Confocal 5) Transmission electron microscopy 6) Scanning electron microscopy
Even though coastal areas comprise only 10% of the oceans' area, they make up ____% of the total oceans' fisheries
a. 10 b. 20 c. 60 d. 90 e. 50
Which cells produce specific antibodies?
A. B cells B. macrophages C. plasma cells D. T cells E. monocytes
Which of the following describes spicules?
a. They are complicated pore openings and passageways found in sponges. b. They are fibrous skeletal proteins found in sponges. c. They are needlelike skeletal structures made up of silica or calcium carbonate found in sponges. d. They are specialized digestive cells found in sponges.