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The lactose permease of E. coli is a protein composed of a single polypeptide that is 417 amino acids in length. By convention, the amino acids within a polypeptide are numbered from the amino terminus to the carboxyl terminus. Are the following questions about the lactose permease true of false?
A. Since the sixty-fourth amino acid is glycine and the sixty-eighth amino acid is aspartic acid, the codon for glycine-64 is closer to the 3' end of the mRNA compared to the codon for aspartic acid-68.
B. The mRNA that encodes the lactose permease must be greater than 1,241 nucleotides in length.
As we know that mean arterial blood pressure = CO cardiac output x total peripheral resistance (TPR), what might be a normal mechanism to compensate for elevated blood pressure?
While performing undergraduate research on the facultative aerobe Saccharomyces cerevisiae (yeast) you discover a mutant able to directly convert glyceraldehydes 3-phosphate into 3-phosphoglycerate.
A black mouse and a white mouse from pure breeding lines are crossed. All of the offspring have gray coat color what is the expected ratio of phenotypes in the next generation?
A patient has an 80 percent blockage of his left anterior descending coronary artery. Illustrate what occurs in terms of myocardial oxygen supply and demand if his sympathetic nervous system is stimulated.
Include in your diagrams and give a brief description of the function of each of the following: promoter, AAUAAA consensus sequence, transcription start site, introns, exons, poly(A) tail, 5' cap, 5' and 3' ends of each strand.
Assume 2-students are doing a poster on the Amazon Water Lily for a class project and have compiled research to determine if it is in actuality a land plant or an algae. Discuss difference between monoecy and dioecy
In Drosophila a cross was made between a yellow-bodied male with vestigial (not fully developed) wings and a wild-type female (brown body). The F1 generation consisted of wild-type males and wild-type females.
As Jung-Min Kee and Tom W. Muir noted in their recent review article, 2012 marked the fifty anniversary of discovery of histidine phosphorylation in proteins.
Determine which of the following statements describes the function of a chloroplast?
Calculate the total amount of calories for each cookie and then tell which cookie is less healthy and why. (look up on the internet how many calories per gram are found in fat, carbohydrates and protein to get the answer)
Which of the next statements is untrue of the light reaction in photosynthesis.
Discuss the roles of mitosis and meiosis in animal and plant growth. How do these two processes differ from one another?
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