Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
breaking down of large nutrient molecules using chemical means (e.g. through the action of enzymes) into smaller soluble molecules that can be absorbed by the body.
cells that remember specific antigens.
a species that helps scientists identify the age of sedimentary rocks.
coiled thread-like structures of DNA and histone, which is a protein, in the cell nucleus. They...
a system of support in soft-bodied animals, which relies on pressure of fluids in the body...
the upper surface of the ground water.