The schematic below shows the amino acid sequence of several proteins in cartoon format. the white boxes represent 20-30 hydrophobic amino acid stretches and the dark boxes represent domains with mostly hydrophilic amino acids. amino acid schematics histone deacetylase is represented by which of the amino acid sequences above (a-d).

it is prolly d and c and f

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's