A ball-and-stick model structure of acidic (negatively-charged) amino acid glutamic acid (Glu, E). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape acid acidic amino Glutamic acid (amino acid)
A ball-and-stick model structure of acidic (negatively-charged) amino acid aspartic acid (Asp, D). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. acid negative chemistry Aspartic acid (amino acid)
3 Styles of flatter looking simple battery icons - showing charged, nearly empty and charging - PSD set stylish modern creative 3 Ultra Simple Flat Battery Icons Set PSD
A ball-and-stick model structure of basic (positively-charged) amino acid histidine (His, H). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. acid chemistry science Histidine (amino acid)
A ball-and-stick model structure of basic (positively-charged) amino acid lysine (Lys, K). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape acid amino amino acid Lysine (amino acid)
A ball-and-stick model structure of acidic (negatively-charged) amino acid aspartic acid (Asp, D). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape acid acidic amino Aspartic acid (amino acid)
A ball-and-stick model structure of basic (positively-charged) amino acid histidine (His, H). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape acid amino amino acid Histidine (amino acid)
4 Basic battery icons set - charged and low - in PSD stylish modern creative 4 Simple Battery Icons Set PSD
A ball-and-stick model structure of basic (positively-charged) amino acid arginine (Arg, R). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. acid chemistry science Arginine (amino acid)
A ball-and-stick model structure of acidic (negatively-charged) amino acid glutamic acid (Glu, E). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. acid chemistry science Glutamic acid (amino acid)
A ball-and-stick model structure of basic (positively-charged) amino acid arginine (Arg, R). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape acid amino amino acid Arginine (amino acid)
A ball-and-stick model structure of basic (positively-charged) amino acid lysine (Lys, K). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. acid chemistry science Lysine (amino acid)