review section_1-1

review section_1-1 -...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1. Unlike human, plants grow outdoors and are under constant sunlight.  Why don't plants get skin cancers?  To  answer this question, Dr. Liu has conducted an EMS mutagenesis screen and has identified several mutations in  genes that control Arabidopsis plant's sensitivity to UV light.  Two mutations (named uv1, uv2) caused increased  sensitivity to UV irradiation, while two other mutations (named uv3, uv4) caused increased resistance to UV  irradiation.         (a) (4 points) What is the wild type function of UV1, UV2, UV3 and UV4?  (Hint: simply state if each wild type  gene promotes or inhibits UV resistence).         2 - UV1 and UV2 are promoting UV resistance (or inhibit UV sensitivity) when they are mutated they thus   increase the sensitivity to the UV irradiation.       2 – to begin with UV3 and UV4 are already increasing the resistance to the UV irradiation and thus when it  
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/03/2012 for the course BSCI 410 taught by Professor Staff during the Spring '08 term at Maryland.

Page1 / 3

review section_1-1 -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online