Si el pKa de los grupos de ácido carboxílico en el ácido acetoacético y el ácido bhidroxibutírico es de 3,6 y 4,7, respectivamente, ¿qué forma (protonada o desprotonada) está presente a pH fisiológico?

Which element is found in both dna and proteins

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

If a grape were placed in a hypertonic solution what would happen and why?