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Q. You find out a mutant yeast strain that cannot grow while provided with pyruvate as its sole carbohydrate, though it grows normally when given glucose as a carbon energy source; you call this the Pyr- trait. Wild-type yeast can grow well using either carbon source; you designate this Pyr+ trait. You suppose that the mutant yeasts have defective mitochondria.
A. Why is mitochondrial function critical for growing on pyruvate?
B. You want to find out whether the mutation responsible for the Pyr- trait is carried in the nuclear or mitochondrial genome. Your experiment is to mate Pyr- haploid cells to Pyr+ haploid cells and examine segregation of the trait in the progeny. After mating, the hybrid diploid cells can grow on pyruvate (Pyr+). You send these diploid cells through meiosis and examine the four haploid cells generated from a single diploid cell. If the mutation is in mitochrondrial DNA, will the four haploid cells probably be all Pyr-, all Pyr+, or a combination? What if the mutation is in nuclear DNA?
Consider possible root causes of the OFI. Why do you consider the problem exists. Brainstorm and present a list of all possible actions that you may need to take in order to achieve your MAP goal.
Special Revenue Fund - Voluntary Non-exchange Transactions. In FY 2012, the city expended $90,000 for park improvements from grant resources.
A patient has esophageal cancer and should have a feeding tube inserted. The nurse tells the patient that the tube will be inserted surgically into the duodenum. The wife asks why the tube will not be inserted into the stomach directly.
Conditions that exist when they shut down their operations and the conditions that exist when they resume their operations.
Evaluate Earnings per Share for the year ended 31 st December, 2012 and Determine Earnings Per Share for 2012.
A man and a woman are both carriers for 2 autosomal recessive disorders, PKU and cystic fibrosis. If they have a daughter, what is the possibility that she will have PKU but not cystic fibrosis.
You read in a business magazine that computer firms are reaping high profits. Assume that the computer market is perfectly competitive.
Utilize your imagination to describe two ways in which disturbance of the sort just described may affect the animals that live on the panels and amount of free space available.
Purpose the journal entry on Partner's books for the acquisition of Sizemic Corporation's net assets.
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Explain the main types of extracellular signaling.
How may someone become hyponatremic in a country where the salt content of food is generally very high. What about the function.
What are genotypes of the adult that were crossed. 0 percent of a population died from sunburn, of the 10 percent who died 10 individuals were albino and the rest were split evenly between heterozygous (Gg) and dominant individuals (GG). So my questi..
Advantages and disadvantages of mesoderm, the need of modifications for the elimination of nitrogenous waste, and a description of protonephridial function.
The measurements to be comparable in both preparations. Illustrate one experiment you could perform to demonstrate such lack of equivalence of the two cells in the zygote. Noticeably state the expected outcome of your experiment in the reply you prov..
Which food item would cook the fastest and why with reason. What are the similarities between G-protein receptor systems and Tyrosine-kinase receptor systems.
The tRNA in the E site will leave and migrate to its aminoacyl-tRNA synthetase d. where the tRNA will be recharged with the correct amino acid.
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但是，在限制性温度下，进入有丝分裂所需的最小尺寸大大降低。结果，产生了矮小的子细胞。
Spatially explicit model shows no evidence of admixture between Eurasians and Neanderthals
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Which of the subsequent statements is true about phylogeny. The ancestral group frequently has all the synapomorphies of the descendant species.
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