DNA Structure - DNA Function - Cell Biology

Explore the fundamental structure and function of DNA in this comprehensive cell biology lecture. Delve into the intricate components of nucleotides, including nucleosides, nitrogenous bases, and phosphate groups. Understand the formation of DNA strands through hydrogen bonding and the role of enzymes in DNA replication. Learn about the double helix structure, the genetic code, and how DNA carries essential information for all known organisms. Discover the differences between DNA and RNA, the process of transcription, and the organization of DNA within eukaryotic and prokaryotic cells. Gain insights into chromosomes, chromatin proteins, and their role in gene expression. This in-depth exploration covers key terminology and provides simple diagrams to illustrate complex concepts, making it an invaluable resource for students of biology, genetics, and molecular biology.

Introduction
Nucleotide
Nucleosides
Nucleoside
nucleotides
simple diagram
nitrogenous species
Triphosphate
Guanine
Cytosine
Nucleus
DNA strand
Hydrogen bonds
Enzymes
Terminology
Twisted DNA