This document outlines several fields within biochemistry including animal biochemistry, plant biochemistry, cell biology, molecular biology, immunology, genetics, enzymology, and metabolism. Animal biochemistry deals with the composition, properties, and reactions of compounds in animals and their role in energy extraction, growth, and development. Plant biochemistry includes the study of photosynthesis, glucose conversion, heat generation, and the chemical effects of plant diseases. Cell biology examines the components, structures, and functions of organelles within cells like the nucleus, mitochondria, and endoplasmic reticulum.