After a polypeptide chain has been synthesized, certain amino acids in the peptide may become modified. for each modified amino acid, identify the standard amino acid from which it is derived. enter the unabbreviated name of the standard amino acid. the amino acid structure shows the fully ionized form. the side chain is c h 2, c h 2, c h (o h), c h 2, n h 3 (plus). standard amino acid: identify the modification that yields the first amino acid depicted.

What is the number of moles in 15.0 g ash3?

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table? atom p has an estimated zeff of 7 and is therefore to the left of atom q, which has a zeff of 6. atom p has an estimated zeff of 7 and is therefore to the right of atom q, which has a zeff of 6. atom p has an estimated zeff of 5 and is therefore below atom q, which has a zeff of 4. atom p has an estimated zeff of 5 and is therefore above atom q, which has a zeff of 4.