4. Volcanic rocks are often classified based on color, as follows: rhyolite andesite basalt grey, pink dark grey black The color of volcanic rocks is partly related to the proportion of silicon dioxide they contain. Which of the rocks listed on the Data Sheet tend to have the highest proportion of silicon dioxide? The next highest? The lowest?

You have a solution that contains phospholipid vesicles in a test tube. these vesicles have phospholipid bilayers, but do not contain any membrane transporters. you add a number of different molecules to the solution, and wait a period of time for them to equilibrate. if you could measure the concentration of each molecule, for which of the following would you expect to measure equal concentrations inside and outside of the vesicles? assume for this question that the overall osmolarity inside and outside the vesicles is the same (that is, there is no appreciable diffusion of water across the membrane). (select two answers) an amino acid with a hydrophobic side-chain a small non-polar molecule a negatively charged ion a small polar molecule a small lipid hormone

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

The instructions for making proteins come originally from