Chapter 10: The Structure and Function of DNA - Know the monomers of DNA, Bases, Backbone, How was the double helix discovered? Photo 51 and X-ray crystallography. Chapter 11: How... Chapter 10: The Structure and Function of DNA - Know the monomers of DNA, Bases, Backbone, How was the double helix discovered? Photo 51 and X-ray crystallography. Chapter 11: How Genes are Controlled - Cellular differentiation, Patterns of gene expression, Gene expression regulation, Chromosome Packing.
Understand the Problem
The question is requesting information and knowledge about various aspects of DNA and RNA, including their structure, function, and processes such as replication, transcription, and translation. It addresses key biological concepts and details that are typically covered in molecular biology or genetics.
Answer
Rosalind Franklin's Photo 51 revealed DNA's double helix structure. DNA's monomers are nucleotides. Gene expression involves cellular differentiation and chromosome packing.
Rosalind Franklin's X-ray diffraction work, particularly Photo 51, was pivotal in identifying the double helix structure of DNA. DNA's monomers are nucleotides, consisting of a sugar-phosphate backbone and nitrogenous bases (adenine, thymine, cytosine, and guanine). Gene expression is controlled through cellular differentiation and chromosome packing.
Answer for screen readers
Rosalind Franklin's X-ray diffraction work, particularly Photo 51, was pivotal in identifying the double helix structure of DNA. DNA's monomers are nucleotides, consisting of a sugar-phosphate backbone and nitrogenous bases (adenine, thymine, cytosine, and guanine). Gene expression is controlled through cellular differentiation and chromosome packing.
More Information
The double helix model of DNA revolutionized biology, providing insight into how genetic information is stored and copied. Franklin's contribution was pivotal, though often underappreciated initially.
Tips
A common mistake is to overlook the contribution of Rosalind Franklin. Ensure to recognize her role in the discovery of DNA's structure.
Sources
- The Double Helix - HHMI BioInteractive - biointeractive.org
- 9.1 The Structure of DNA – Concepts of Biology - BC Open Textbooks - opentextbc.ca
- Discovery of the structure of DNA (article) - Khan Academy - khanacademy.org
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