Valine is an amino acid used to make proteins. it is an essential amino acid meaning the body cannot synthesize it and thus, it must be obtained from food sources. its side-chain is an isopropyl group. what property of valine would you expect from this side chain?

Which process is involved in growing crops? irrigation transportation recreation condensation

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables