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Describe a symbiotic relationship found in nature. Give the names of the organisms involved and explain what each symbiote gives to the other or what the role of each organism is in the relationship. Do not use an example found in the OLI materials. Be sure to list any references you used in answering this question.
What are the proteins and the positions of the sequences they bind involved in transcription of the Lactose operon of Escherichia coli?
The absorbance A of a solution is defined as A=log 10 (Io/I) in which Io is the incident light intensity and I is the transmitted light intensity.
choose one or more of the following and give a definition and a few examples autosomal recessive disorders autosomal
What is the probability of producing a child that will phenotypically resemble EITHER one of the two parents of this cross?
the most common autotrophic organisms on earth are photoautotrophs such as plants eukaryotic algae and cyanobacteria.
compare the recipes of nutrient agar and EMB agar. If an organism can grow on both media, on which would you expect it to grow better? why?
Explain how the normal pattern of depolarization is affected by bundle-branch block. What might cause bundle -branch block?
Membrane bound proteins are generally associated with the nonpolargroups of lipid molecules. Explain how detergents affect thestructural integrity of membrane bound proteins in comparison totheir effects on normal globular proteins.
Phenylalanine deaminase positive and phenylalanine deaminase negative culture. Determine the purpose of the uninoculated control? What other types of controls would be useful to increase reliability of the test?
What are the expected frequencies of three phenotypes (bald, red hair, yellow hair) in the male offspring of this cross? Imagine we observe 50 percent bald, 42 percent yellow hair, and 8 percent red hair. What is a recombination fraction between the ..
describe the theory in general terms. describe what chloroplasts and mitochondria produce in eukaryotic cells (the specific chemical that is produced by electron transport systems in both cases)
If you obtain 90 colonies after spread plating 1 ml of a 1:100 dilution of lake water, what is the concentration of bacteria in the lake water?
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