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Question: The CAP activator protein and the Lac repressor both control the Lac operon (see the figure below). You construct cells that are mutant in the gene coding for the Lac repressor so that these cells lack the Lac repressor under all conditions. For these mutant cells, state whether the Lac operon will be switched on or off in the following situations, and explain why.
The same domains and/or motifs are found in many proteins. In fact, a protein's tertiary structure is more conserved (stays the same or same over many generations) than its amino acid structure.
Fertilization involves much more than a mere restoration of the diploid chromosome number. What does the process of fertilization entail on the part of both the egg and sperm? What are the effects of fertilization.
Describe how those mutations can potentially result in cancer. Make sure you list all references used for information and images.
compute the change in G value for the reactions
What is the biochemical pathway that corresponds to duplicate dominant epistasis in genetics? There is a 15:1 ratio of phenotypes, there are two genes involved: A and B. but what is biochemical pathway that causes this ratio to form.
An electric field with a magnitude of 170 N/C exists at a spot that is 0.11 m away from a charge. At a place that is 0.36 m away from this charge, what is electric field strength.
Which phenomenon accounts for movement of these genes. Because a doughnut contains large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over counter or hot to the touch.
After contact with a patient's spinal fluid, a lab technician developed fever, nausea, and purple lesions on her neck and extremities. A throat culture grew gram-negative diplococci. What is the genus of bacteria.
Explain the study of hypothesis? Specify the outcome variables and also state how they were measured? Explain the study factors (exposures) and how were they measured?
Rifamycin and actinomycin D are two antibiotics derived from bacterium Streptomyces. Rifamycin binds to b subunit of E. coli RNA polymerase and interferes with formation of the first phosphodiester bond in the RNA chain.
A form of vitamin D-resistant rickets, known as hypophosphatemia, is inherited as an x-linked dominant trait. If a male with hypophosphatemia, marries a normal female, which predictions concerning their potential progeny would be true.
Key factors which influence respiratory rate and depth are such as talking or coughing, (such as, sometimes we try to breath at a several pace to relax)
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