'Thymine dimers' presentation slideshows

Mechanisms of DNA Damage and Repair

Mechanisms of DNA Damage and Repair. Principles of Molecular Biology. Group Members. Maira Aleem Bilal Naveed Tanzeela Raza Maheen Malik Zaigham Abbas. DNA Structure. DNA = Deoxyribose nucleic acid. Four Nucleotides - A denine , Cytosine , Thymine , or Guanine .

875 views • 78 slides

FCH 532 Lecture 13

628 views • 38 slides

DNA Mutations and Repair part 2 and 3

DNA Mutations and Repair part 2 and 3. Chapter 18. Mutation Rates and Frequency. 1 to 10 mutations per million gametes. Incidence within a group. Causes of Mutations. Spontaneous. Induced. Spontaneous. Mispairing of bases Changes in chemical structure of DNA. Tautomers.

655 views • 38 slides

Exercise 8 :

Exercise 8 :. UV Damage and Mutagenesis. Announcements. Post Lab 8 and Pre Lab 9 are due by your next lab period. LNA UV Damage is assigned today, and due in your lab next week. You will have time at the beginning of lab to view your plates and finish your write-up. Exam 1 Data.

360 views • 25 slides

Genes: Structure, Replication, & Mutation

Genes: Structure, Replication, & Mutation. Nucleic Acid Structure DNA Replcation Mutations Detection & Isolation of Mutants DNA Repair. Nucleic Acid Structure. Nucleic acids are polymers of nucleotides Nucleotides consist of a pentose sugar, a nitrogenous base, and a phosphate group.

471 views • 24 slides

Chapter 8, part C

Chapter 8, part C. Microbial Genetics. Mutation. Change in the genetic material Mutations may be neutral, beneficial, or harmful Mutagen: Agent that causes mutations Spontaneous mutations: Occur in the absence of a mutagen. Mutation. Change in one base Result in change in amino acid.

412 views • 22 slides

Gene Mutation

Gene Mutation . Mutation. Mutation: change in DNA sequence Causes of mutation:. Spontaneous Mutation. Spontaneous mutation in gene for a blood clotting factor, leading to hemophilia. . Point Mutations. Point mutation: change in one or a few DNA nucleotides. Substitutions .

1.06k views • 22 slides