Why are all adult horse fossils small in certain layers of rock ?

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

Which of the following is required of a new drug?me