19. A group of cells are ruptured and mixed in a tube to produce a uniform mixture. This is then centrifuged to produce four distinct layers
of cell contents. The material in one of the layers contained a large
amount of protein. What is this layer composed of? *

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

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

Which is an example of a population?