Which of the following can be used to determine the precise amount of radioactively labeled dna in a chemical solution? a. celsius thermometer b. scintillation counter c. digital balance d. ph indicator

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

In the water cycle , when does water undergo a chemical change

Where substance is produced during cellular respiration