Exam 10: Gene Control

Classification.Choose the proper item below for the following statements. a.operon b.operator c.promoter d.lactose e.regulator gene -When the repressor is inactivated, RNA polymerase can bind to this item and allow transcription to occur.

X chromosome inactivation results in the

When cells stop responding to normal controls over growth and division they

Classification.Choose the proper item below for the following statements. a.operon b.operator c.promoter d.lactose e.regulator gene -This item contains regulator, promoter, and operator regions.

MATCHING Choose the one most appropriate answer for each. a.a condensed X chromosome b.protein that combines with DNA all along its length c.attaches or detaches from operator to regulate transcription d.portion of the operon that binds RNA polymerase e.gene capable of inducing cancerous transformations f.genes controlling the development of the body plan g.the mutated form is associated with breast cancer h.binding sites on DNA where certain regulatory proteins increase transcription rates -oncogene

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

-Which letter in the above figure represents breast cancer?

MATCHING Choose the one most appropriate answer for each. a.a condensed X chromosome b.protein that combines with DNA all along its length c.attaches or detaches from operator to regulate transcription d.portion of the operon that binds RNA polymerase e.gene capable of inducing cancerous transformations f.genes controlling the development of the body plan g.the mutated form is associated with breast cancer h.binding sites on DNA where certain regulatory proteins increase transcription rates -transcriptional control

Adding acetyl groups makes genes accessible to transcription by

MATCHING Choose the one most appropriate answer for each. a.a condensed X chromosome b.protein that combines with DNA all along its length c.attaches or detaches from operator to regulate transcription d.portion of the operon that binds RNA polymerase e.gene capable of inducing cancerous transformations f.genes controlling the development of the body plan g.the mutated form is associated with breast cancer h.binding sites on DNA where certain regulatory proteins increase transcription rates -repressor protein

Which of the following accounts for the negative control of operons?

Genes located in cells in different regions of the body during embryonic development may

In knockout experiments,

Regulatory elements in gene control interact with

MATCHING Choose the one most appropriate answer for each. a.a condensed X chromosome b.protein that combines with DNA all along its length c.attaches or detaches from operator to regulate transcription d.portion of the operon that binds RNA polymerase e.gene capable of inducing cancerous transformations f.genes controlling the development of the body plan g.the mutated form is associated with breast cancer h.binding sites on DNA where certain regulatory proteins increase transcription rates -homeotic genes

Mutation of the A group gene in Arabidopsis thaliana affects development in its flower's

Post-translational controls of gene expression include

A low number of methyl groups is associated with:

Classification.Choose the proper item below for the following statements. a.operon b.operator c.promoter d.lactose e.regulator gene -What is the most efficient way to regulate gene expression from the perspective of cellular resources?

Homeotic genes generally control