A new report shows the brains of autistic children, who suffer from the disorder tied to a combination of contributing factors from genes to the environment, have differences in regions that develop during the mother's second trimester of pregnancy.
Complement component 4 is a blood test that measures the activity of a certain protein that is part of the complement system. The complement system is a group of proteins that move freely through your bloodstream.
Answer by Mainak. Confidence votes 21. CCl4 is a compound consisting of one carbon atom and four chlorine atoms, once widely used as an industrial raw material, as a solvent, and in the production of CFCs. Use as a solvent ended when it was discovered to be carcinogenic.o carbon tetrachloride (CCl4) is nonpolar. Although the C-Cl bonds are polar due to chlorine's high electronegativity, the molecule is tetrahedral, meaning the symmetry cause â¦ s the dipole moment to cancel. + 3 others found this useful.