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Suppose that you conducted a tissue fractionation and that you collected aliquots at each step. Suppose that in step one you suspended tissue in 100 ml buffer then homogenized the tissue. You centrifuged the homogenate to yield a solid fraction (fraction 1, the pellet) and a liquid fraction (fraction 2, the supernatant). Fraction 2 (volume 94 milliliters) contains small organelles, membrane vesicles, and soluble protein from the cytoplasm of the cells making up the tissue. Fraction 2 volume is less than 100 milliliters because you removed solid material (fraction 1) from the original suspension. You took an aliquot of 5.0 milliliters of fraction 2, conducted a protein assay, and estimated a concentration of 16 milligrams/milliliter. What was the yield for fraction 2?
The main principles of evolution are outline below. Using the principles of evolution as a guide, describe how antibacterial resistance happens OR describe how different skin pigmentation evolved in the human population.
Two consecutive crosses, with the first between pure-breeding parents that differ in two phenotypes to create an F1 generation, and the second in two F1 progeny to create an F2 generation.
Many tumors secrete thier own growh factors. This form of stimulation is called;
You have two flies that have the following traits. The female fly is dominant homozygous for red eyes and she has a rate immune deficiency for which she is recessive homozygous, having one allele on each X-chromosome.
Surface renewal theory predicts that the mass transfer coefficient is directly proportional to the square root of the molecular diffusivity.
Which of the following is NOT a trait shared between green algae and land plants?
How many protons, electrons, and neutrons are in a neutral atom of potassium having an atomic weight of 39?
2-mutant, colorless strains of the (fictitious) haploid fungus Cyanomyces are crossed. The progeny consists of 50% wild-type and 50 percent mutant spores.
Illustrate the main types of faults and corresponding directions of stress. Differentiate between fault and joint. How does the stress differ between the two? Of what importance are these fractures to other geological processes.
What specific biotechnology application did you choose. What benefits are derived from this application.
Develop a labeled diagram of a small section of the plasma membrane and briefly describe its structure and function.
What is the fate of pyruvate after it is formed by glycolysis? What is the overall reaction thermodynamics of glycolysis process?
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