9603-03 Genetics Manual
6BIO1 Biology A level Edexcel Unit 1 Paper June 2013
EUBACTERI A. GENERAL INFORMATION There are 100 000 different species They are extremely small Reproduction rate is extremely fast Are known as.
Review 1.Describe how chromosomes and DNA are related. 2.The DNA molecule is shaped like a twisted ladder. (a) What are the sides of the ladder made of?
Cell Reproduction. The continuity of life is a result of cell division, which is one of the most distinctive characteristics of living organisms. In the.
Chapter 25 DNA Metabolism 1. How does a DNA molecule replicate with high fidelity? 2. How are DNA lesions (damages) repaired to maintain the integrity.
Cell Division
Review
