Label the different phases of mitosis on this picture of onion cells dividing.

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.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Technology can bring both good and bad things. pesticides can make crops more resistant to insects (good) but can harm humans if they are used improperly (bad). give examples of both the good and bad