Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 14, Problem 3TYU
Summary Introduction
Introduction: Gene regulation is a process where the expression of genes is controlled for the synthesis of specified gene products (usually RNA or proteins). In bacteria transcriptional level control of gene regulation is most efficient followed by post transcriptional control.
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Chapter 14 Solutions
Biology (MindTap Course List)
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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- Researchers use a technique call RNA interference to knock down (i.e. not completely gone) the Bcl-2 gene in the amygdala of lab animals. What cellular response would you expect to occur? Question 1 options: A) An increase in apoptosis; many cells in the area would die B) An increase in axon regrowth after injury C) A decrease in cytochrome c levels released from the mitochondria D) A decrease in glial cell infiltration after injuryarrow_forwardKey characteristic prions:(a) Found only in brains cells(b) Heat-resistant genomic material(c) Ability to form fibrils(d) Denatured by urea, a protein disrupting agent(e) All the abovearrow_forwardExperiment: Heat shock factors (HSF) are transcription factors that induce genes encoding proteins that protect against cellular stress. Two distinct heat shock factors, called HSF1 and HSF2, recognize the same binding site in DNA. The figure shows the result of an experiment in which the effect of an anti-inflammatory drug, indomethacin, was studied. HeLa cells were cultured at 37°C (lane 1 [C, control] and lanes 3-10), or 42° C (lane 2; HS, heat-shocked). The cultures for samples 3- 10 were treated with various concentrations of indomethacin, indicated at the top of each lane. After treatment, nuclear protein extracts were prepared and mixed with 32P-labeled, double- stranded oligonucleotides containing the HSF binding site. Anti-HSF1 (samples 7 and 8) or anti- HSF2 (samples 9 and 10) antibodies were also added to some of the samples. The samples were subjected to electrophoresis in a nondenaturing polyacrylamide gel, and autoradiography was performed.arrow_forward
- Cyclin-dependent kinases are present during Question 4 options: A) M. B) G1. C) G2. D) S. E) all of the abovearrow_forwardWithin a cell, the amount of protein made using a given mRNAmolecule depends partly on(A) the degree of DNA methylation.(B) the rate at which the mRNA is degraded.(C) the number of introns present in the mRNA.(D) the types of ribosomes present in the cytoplasmarrow_forwardTranslation is the process of ____ and occurs in the ____. a) mRNA assembly, nucleus b) amino acid metabolism, cytoplasm c) assembling polypeptide chains, cytoplasm d) transcript-building, nucleusarrow_forward
- This inhibatory kinase phosphorylates an inactive M-Cdk. a) M-kinase b) Wee1 c) CAK d) Cdc25arrow_forwardIndicate (x) if the following statements about synthesis of proteins containing an ER signal sequence are True or False: True False i. Translation is initiated by ribosomes located on the ER membrane The signal recognition particle (SRP) binds a sequence of nonpolar (hydrophobic) amino acids. ii. iii. The ER signal sequence may be cleaved by signal peptidase on the cytoplasmic side of the ER membrane. iv. The part of a transmembrane protein that will ultimately be located outside of the cell is inserted into the lumen of the ER during translation. A stop transfer sequence is a series of polar amino acids that halts translocation of a newly synthesized peptide into the ER lumen.arrow_forward1. Activation or inactivation of certain key regulatory enzymes is accomplished by covalent modification of the amino acid: (A) Tyrosine (B) Phenylalanine (C) Lysine (D) Serinearrow_forward
- Match each one (they can be repeated): 1) Plasminogen- Plasmin 2) Pro-insulin- Insulin 3) CFTR CL- Premature Termination Codon NMD 4) Myostatin-PTC 5) uRNAs-Disorders in the autism spectrum 6) Nucleosome-acetylations, methylations a) translational b) transcriptional c) post-translational d) post-transcriptionalarrow_forwardWhat is a possible outcome of the addition of a transcription factor such as Myod to the nucleus of a cell? Assume that there are no other factors to either activate or prevent the response of the cell. Group of answer choices A) Production of mRNA from genes that were previously not expresed B)adding methyl groups to DNA C)prevention of protein synthesis D)uncoiling of the chromatin to allow transcriptionarrow_forwardBased on studies, synaptotagmin is a crucial protein anchored to the vesicle and it is activated by binding to a) A RIM-BP protein anchore b) phosphorylation c) A SNAP-25 complex d) five Ca2+ via its C2A and C2B domainsarrow_forward
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