show more The Contraction of the ventricles is referred to as (1), and the period of ventricular relaxation is called (2). The monosyllables describing heart sounds during the cardiac cycle are (3). The first heart sound is a result of closure of the (4) valves; closure of the (5) valves causes the second heart sound. The...
Quick Answer. A microfiche is a single sheet of plastic that contains several images of pages of text, whereas microfilm is a long spool of plastic film that winds and rewinds to view images of text. In both instances, these microforms require a projection system whereby images of microfiche and microfilm appear on a backlit screen to be viewed.
A microarray is a sequence of dots of DNA, protein, or tissue arranged on an array for easy simultaneous analysis.The most famous is the DNA microarray, which plays an integral role in gene expression profiling. DNA microarray is sometimes referred to as a gene chip or DNA chip. Scientists can use DNA microarrays to study the activity of several thousand genes at the same time.