consider the results you saw for the pigment paper chromatography experiment in the final part of the lab. spinach was the source of pigments, and spinach leaves are normally a dark green color. however, when we ran the pigments on the chromatography paper, we discovered that light yellow and orange-yellow bands appeared. why couldn't we see these colors on the spinach leaves themselves

When water freezes, it . contracts expands

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.