'R factors' presentation slideshows

chapter eight: microbial genetics

647 views • 42 slides

chapter eight: microbial genetics

618 views • 42 slides

The Integers and Division

The Integers and Division. Example: Let n and d be positive integers. How many positive integers not exceeding n are divisible by d? Solution: They are of the form {dk}, where k is a positive integer. 0 < dk ? n ? 0 < k ? n/d

596 views • 36 slides

Changes in bacterial traits

Changes in bacterial traits. Caused by: Changes in environmental conditions (only phenotypic changes) Changes in the genetic codes 1- Intermicrobial exchange 2- Mutations (point mutations, insertions, deletions). Intermicrobial exchange. Transformation

470 views • 35 slides