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which cross will produce all male-sterile progeny?(In each genotype, the mitochondrial genotype is designated as ms or mf and the homozygous nuclear genotypes as RR or rr. The female parent in each cross is listed first).
A) ms; rr x mf; RRB) ms; RR x mf; rr rrC) ms; rr; x ms; RRD) ms; rr x mf; rrE) ms; rr x ms
In most organisms, oxygen slows down glycolysis, and pyruvate is directed towards the TCA cycle rather than fermentative pathways this is called the Pasteur Effect.
However, it could be a mistake to assume that every homologous chromosome that a gamete receives after meiosis is solely from the mother or father. Explain why this could be so using the following data.
When DNA samples A and B were separated by buoyant density centrifugation the 2 samples migrated 23 and 15 cm, respectively. If DNA B had a GC content of 34%, what was the GC content of DNA A.
Pulse-chase experiments were vital for showing that RNA acts as an information-transfer intermediary between DNA and protein. Describe the basic steps of a pulse-chase experiment and explain in your own words how the results suggested that RNA is ..
assume that the mutation that produces abnormal dynein occurs on the gene which codes directly for dynein. very briefly describe each of the possible mutations that might be the cause of the abnormal dynein of kartageners' syndrome.
In a cell biology laboratory experiment, two students independentlyisolated the enzyme lactate dehydrogenase, which catalyzes thereduction of pyruvate to lactate, from chicken heart.
Butanol:Water:Glacial Acetic Acid (65:20:15) was used as TLC solvent, where the stationary phase was silica. The TLC was done for identification of amino acids.
You have three tubes containing solutions of the protein human chorionic gonadotrophin (HcG) in PBS. All three contain 2 ml. Tube A is at a concentration of 28 mg/ml. Tube B is at a concentration of 78 mg/ml. Tube C is at a concentration of 40 mg/..
How is geological energy different from biological energy. Charlie has the blood test that shows a normal level of LDLs other than an elevated level of HDLs in his blood. Because his family has a history of cardiovascular disease, he wonders if he mu..
An enzyme is discovered that selectively shortens telomeres. Its gene is isolated, cloned and transfected into a malignant cell line where it is transcribed and translated.
What is involved with producing Energy (such as ATP) for muscle contraction. An organelle in the muscle cell that helps distributes the signal to contract by the interior of the cell.
Explain why does inhibiting the Na/K transport pump in neurons will not have an instant effect on membrane potential. Over time the membrane potential will depolarize.
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