Could police have used blood on broken glass to test for dna?

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

How can you tell the difference between rough er from smooth er?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated