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Assume that mammalian cells are grown in culture in the prescence of fluorescent nucleotides for several generations so that all of the DNA in all the chromosomes is fluorescent. When these cells are examined under a microscope, all of the chromosomes in the nucleus glow. If one of these cells is placed in regular media for one generation, how will the chromosome of the daughter cells look?
What is the molarity of the drug in he Petri plates?
Based on the Monod Wyman Changeux model of allosterism, would you expect ATP to bind better to the enzyme in the presence or absence of Pi?
Assume you have isolated a cell population from bone marrow using as newly discovered CD antigen. You believe that this population has hematopoietic potential.
A population of Hawaiian Drosophilia is segregating two alleles, p1 and p2, of the phosphoglucose isomerase (PGI) gene. In a sample of 500 flies from this population, 26% were p1p1 homozygotes, 62% were p1p2 heterozygotes, and 12% were p2p2 homozy..
What is meant by a "stable phenotype" for cells? How can one go about trying to ensure a stable phenotype in vitro?
Are any parasitic diseases directly communicable from person to person? If so, how are they transmitted? What kinds of precautions should be taken in caring for persons with directly transmissible parasitic infections?
Membranes are essential components of both prokaryotic and eukaryotic cells. Identify three molecules or types of molecules that are components of the plasma membrane in eukaryotic cells. Discuss the structure and function of one of these componen..
A system is given by two compartments separated through a thin membrane, and solute moves from one compartment to the other through diffusion. The volume of compartment 1 is 0.03 cm^(3) and compartment 2 is 0.01 cm^(3).
Explain 4 mechanisms by which the integument helps to prevent infection. In other words, explain either specific actions the integument performs or characteristics of its structure.
Your sympathetic nervous system works in your "fight or flight" response. your parasympathetic nervous system works in our relaxation response. which do you suppose would cause your pulse to race ? why?
Give examples of potential environmental impact. Give at least two references in addition to your text in support of your position. Be sure to cite your sources including your text using APA style and respond to at least two of your classmates' posti..
There are 100 students in your science class and you decide to do a research project focused on the distribution of alleles for brown versus blue eye color. You examine everyone and find out that 64 students have brown eyes and 36 have blue eyes. ..
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