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1. What makes up the intitiation complex atthe start of translation?A. a large and a small ribosomal subunitB. In the nucleusC. In the nucleolusD. Anywhere in the cellE. In the centriole2. Why is that a carrot plant can express abacterial gene?A. Because the bacterial genehijacks the carrot’s cellular machineryB. Because the genetic code is thesame in both organismsC. Because of the wobblephenomenonD. Because of the degeneracy ofthe genetic codeE. A carrot cannot express abacterial gene.3. A mutation causes a G to be inserted afterthe first base of the codon for tryptophan. How will this affectthe growing polypeptide chain?A. Elongation will stopprematurely.B. It will not be effected.C. The reading frame will beshifted, and the wrong amino acids will be added from this pointon.D. There will be a single aminoacid substitution.E. None of the above.
Living cells are highly ordered units, yet the universe is heading toward higher entropy. Discuss how life can maintain its order in spite of the second law of thermodynamics.
A yeast cell utilizes 8 molecules or glucose for energy production. No oxygen is available. What is the maximum yield of ATP?
Which of the following statements about DNA replication is true? Okazaki fragments are DNA fragments synthesized on the leading strand. Single?strand binding proteins stabilize the open conformation of the unwound DNA.
A generalized transducing phage first infects a bacterial donor of genotype his +, trp +, and rif +. After lysis of the bacterial donor, a bacterial recipient of genotype
What kind of microorganism is selected for on the SAB plate and the 3M Petrifilm?
Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.
However, this theory doesn't account for the lack of WW genotype in the population. Any thoughts?
RNAse is an enzyme that cleaves the P--O^5' bond in RNA. it has two His residues in the active site. Suggest a plausible explanation why the enzyme activity changes when pH is increased or decreased from ~pH 6.0.
How do stem cells interact with their niche ( transcription factor, cell polarity) ? what role does stem cell niche have with stem cells?
Develop the process of transcription using dsDNA as a template to produce a final functional mRNA. In your drawing label the direction of the nucleic acids, RNA polymerase,
Develop a graphical representation of major evolutionary changes in invertebrates. Discuss the graphs as a class.
Due to a spinal injury, a patient has lost pain and temperature sensation on the left half of his body from the waist down. Where is his injury? Where will you expect loss of tactile sensation in this patient.
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