Answers the following questions below:  enhancers are: A.Proteins B.DNA regions C. Neither D. Both 2. mediators are: A. proteins B. DNA regions C. Neither D. Both

Distant regulatory sites are called:  a. Enhancers  b. Operators c. Both a and b  d. None of the above

Which of the following statements about the DNA in one of your brain cells is true? (A) Most of the DNA codes for protein. (B) The majority of genes are likely to be transcribed. (C) It is the same as the DNA in one of your liver cells. (D) Each gene lies immediately adjacent to an enhancer.

Which statement is true about transposon? a. Transposon is known as a ‘jumping gene’. b. Transposon is composed of mobile DNA sequences. c. Transposon is a selfish gene. d. All choices are correct.

Which of the following are possible reasons that a cell would regulate its expression of a gene? (Select all that apply.) (a) an increased need for a particular enzyme (b) a decreased need for a particular enzyme (c) increasing temperature in the external environment (d) changing needs as an organism ages (e) death

Gene expression array technology has been used to do which of the following (select all that apply)?   A. Determine liklihood of metastasis   B. Determine the most relevant treatment for individual patients based on their genomic “signature.”     C. Determine therapeutic index of cancer drug   D. Predict the likelihood of disease recurrence in individuals based on gene expression signatures   E. Stratify patients with breast cancer into groups predictive of response to therapy

a) What is a gene promoter? b) What proteins bind to a promoter? c) What do those proteins do to control gene expression?

Which of the following is true?   a.     Enhancers are proteins that bind to activator DNA sequences.           b. Activators are proteins that bind to insulator sequences     c. Repressors are proteins that bind to enhancer DNA sequences.   d. Repressors are proteins which bind to silencer DNA sequencers.

a piece of DNA is produced with  1) an enhancer from a gene expressed in the liver, 2) a promoter from a gene expressed in bone cells, and 3) exons and introns from a gene expressed in the brain introduction of this gene into a mouse then results in high levels of  A) a brain protein in the liver B) a bone protein in the brain C) a brain protein in the bone D) a liver protein in the brain E) no protein would be made

Compare and contrast the role of promoter and operators with enhancers and repressors.