Exam 10: Control of Gene Expression

In knockout experiments,_______________.  

What is the most efficient way to regulate gene expression from the perspective of cellular resources?

X inactivation in calico cat fur results in ________________.  

Choose the one most appropriate answer for each. -Transport control

Differentiation is the process in which cells _____________.  

X chromosome inactivation results in the _______________________.  

The promotion of the lac operon in bacteria is ________________________.  

A mammalian female's ___________________________.  

Choose the one most appropriate answer for each. -Barr body

Homeotic genes generally control _________________.  

Adding acetyl and methyl groups to a histone regulates gene expression by _________________.  

As cell lineages use varying subsets of genes during development,they become specialized through a process called __________.

Classification. Choose the proper item below for the following statements. -Repressors,activators,and transcription factors

Which statement about promoters is true?  

In the ABC model of flower development in Arabidopsis thaliana,sepals form when which gene(s)is/are switched on?  

The following compounds are produced by plants during the day and broken down at night,except _____________.  

Classification. Choose the proper item below for the following statements. -When the repressor is inactivated,RNA polymerase can bind here and allow transcription to occur

Choose the one most appropriate answer for each. -mRNA processing

Choose the one most appropriate answer for each. -Promoter

Choose the one most appropriate answer for each. -Enhancers