Found in both plant cells and animal cells, thesurrounds and protects the cell, and allows certain chemicals to enter and exit the cell. cell wall

cell membrane

cytoplasm

(This is 7th grade science).

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

What is the ecological role of food chains and food webs

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle