As a substrate for evolution to work upon, cis-regulatory sequences are excellent targets because?  多项选择题

A

Simple to modify or delete an enhancer compared to making subtle changes to the amino acid coding potential of a gene.

B

More likely to avoid lethality due to the continuation of other essential aspects of the gene's expression pattern.

C

Changes to switches of key developmental regulatory genes have the potential to create new circuits of gene regulatory activity., (Correct answer)Changes to switches of key developmental regulatory genes have the potential to create new circuits of gene regulatory activity.

D

A change may only impact a specific aspect of the overall expression of the gene.

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

True or false: repressible positive regulation occurs when the gene is transcribed in the presence of a specific small molecule?

True or false: inducible negative regulation occurs when the gene is not transcribed in the presence of a specific small molecule?

The trp operon is an example of a Blank 1 Question 13[select: , negative repressible, operator, blocks, enhances, promotor, negative inducible, positive repressible, positive inducible, activator] operon. This is because its regulatory region contains an Blank 2 Question 13[select: , negative repressible, operator, blocks, enhances, promotor, negative inducible, positive repressible, positive inducible, activator] , which suppresses transcription and because binding of tryptophan to the repressor protein Blank 3 Question 13[select: , negative repressible, operator, blocks, enhances, promotor, negative inducible, positive repressible, positive inducible, activator] transcription.

A deletion of the lacP (promoter) region in the lac operon would result in which of the following?

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！