Explain what is meant by 'root cells are hairy'

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.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

The first amino acid of a new polypeptide chain is