Which of the following gene regulation mechanisms are found ONLY in prokaryotes?   a. coordinate regulation   b. transcriptional regulation   c. alternative splicing   d. translational regulation   e. DNA modifications

In regulations demonstrated by initiation of transcription, if lactose is abundant, lactose in this operon system is termed a. inducer b. coactivator C. corepressor d. operator e. repressor O a. a O b. b Vindows bo c.c O d. d

Which of the following DNA regions is NOT involved on gene expression regulation in Eukaryotes?. ( not enhancer or promotor-proximal) A. Promoter-proximal B. Promoter C. Enhancer D. Operator

microRNAs degrade ______________ and is an example of __________ regulation. Select one: a. DNA, post-transcriptional b. RNA, post-transcriptional c. protein, post-transcriptional d. RNA, post-translational e. protein, post-translational

3. Inducers: a. transcribe a messenger off a DNA template b. bind to ribosomes to activate the production of specific proteins c. are a molecule that binds to a repressor to activate it d. are essential to function of transfer RNAs during translation e. bind to repressor protein and transcription of mRNA can then take place

All of the following regarding ribosomes are true EXCEPT: A. Ribosomes are comprised of protein and RNA. B. Ribosomes coordinate with initiation and elongation factors to regulate translation. C. Ribosomes bind transcripts in their promoters. D. Prokaryotic ribosomes are comprised of a large and a small subunit. E. Ribosomes in eukaryotic cells bind to complete transcripts.

If the sequence of an mRNA is GAGUUCACAGUAGGC, the sequence of the template strand of the corresponding gene is... which of the following answers? a. CTCAAGTGTCATCCG b. GCCTACTGTGAACTC c. 3' GAGTTCACAGTAGGC 5' d. GAGTTCACAGTAGGC e. none of the above

Which of the following is an example of chromatin modification that stimulates gene expression? Group of answer choices A. alternative exon splicing b. microRNA binding to mRNA c. DNA methylation D. histone acetylation

For each statement about gene expression mechanisms, choose the correct end to the sentence. For each gene, the template strand for transcription is determined by…. The direction of translation is determined by…… The tissue-specificity of protein production is determined by….   choices: a. location of the start codon              b. location of the promoter              c. direction of polymerization by RNA polymerase              d. none of these              e. direction of movement of ribosomes            f. overall orientation of the chromosome

DNA methylation is a potential example of A. post-translational control B. translational control C. transcriptional control D. allosteric control