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B) Some pathogens make fimbriae to attach to cells lining the gut of their host. However,...
Certain pathogens make fimbriae to attach to the cells lining the gut of their host animal....
Certain pathogens make fimbriae to attach to the cells lining the gut of their host animal. However, it would be a waste of resources to make fimbriae when not in the gut. In some bacteria, fibrial gene transcription is initiated when the cell detects leucine (L), which would likely be abundant in a nutrient-rich environment such as an intestine. The fimbriae (fim) genes are under positive control wherein a regulatory protein (FRP) binds to an activator binding site when leucine...
1) The lac operon is… a) Positive repressible b) Both negative inducible and positive repressible c)...
1) The lac operon is… a) Positive repressible b) Both negative inducible and positive repressible c) Positive inducible d) Negative inducible 2) An activator regulatory protein… a) Is involved in negative regulatory control b) Is a cis acting regulatory element c) Recruits RNA polymerase to the promoter d) Prevents RNA polymerase from binding the promoter 3) For the lac operon, the presence of the substrate (lactose) activates the repressor. True or False? a) true b) false 4) cAMP… a) Activates...
Question 1 Match the term with the best definition or description; most topics relate to the...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
Microbiology study guide questions. Please Help! s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
I really need help with these questions!! 2. Bernard Davis tested the "cross-feeding" interpretation of some...
I really need help with these questions!! 2. Bernard Davis tested the "cross-feeding" interpretation of some data that showed the phenotype of one microbe as capable of being changed by another microbe. His contribution can be summarized as: A) using one strain of microbes as food for another, and then evaluating the impact upon microbial phenotype. B) combining microbes with complementing auxotrophs in a single tube and then analyzing the cells of gene exchange. C) placing a barrier between bacterial...
eurtansmitteenzyme found in the synaptic cleft and required for degrading a. glycosyltransferase c hemoglobin b. PDH...
eurtansmitteenzyme found in the synaptic cleft and required for degrading a. glycosyltransferase c hemoglobin b. PDH complex e.catalase d. acetylcholinesterase 44. Which of the following is a tenet of the endosymbiotic theory? a autophagolysosomes are the source of substantial protein production viruses at some time i incorporated into the mitochondrial genome engulfed bacteria may be the original source of m more than one of the above pped in vesicles in the cytoplasm contribute to the cell's ATP supply e. the...
Certain pathogens make fimbriae to attach to the cells lining the gut of their host animal. However, it would be a waste of resources to make fimbriae when not in the gut. In some bacteria, fibrial gene transcription is initiated when the cell detects leucine (L), which would likely be abundant in a nutrient-rich environment such as an intestine. The fimbriae (fim) genes are under positive control wherein a regulatory protein (FRP) binds to an activator binding site when leucine...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
eurtansmitteenzyme found in the synaptic cleft and required for degrading a. glycosyltransferase c hemoglobin b. PDH complex e.catalase d. acetylcholinesterase 44. Which of the following is a tenet of the endosymbiotic theory? a autophagolysosomes are the source of substantial protein production viruses at some time i incorporated into the mitochondrial genome engulfed bacteria may be the original source of m more than one of the above pped in vesicles in the cytoplasm contribute to the cell's ATP supply e. the...
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