Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
a relatively small, similar building block of larger molecules (polymers).
tissue that covers the surfaces of the body (the skin) and lines the ducts of the gut.
a sac-like structure in plant cells that contains the cell sap. It supports the cell and helps...
a small, circular opening in the exoskeleton of insects that allows air to enter the insect's...