Of the sugars that yeast are capable of metabolizing, which do they most prefer? In other words, on which carbohydrate source will the yeast to grow the fastest make the most fermentative products?

amber has allowed scientists to study dna that has been preserved over millions of years.

b. the carbon cycle ensures living things have a source of hydrogen

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.