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A plasmid contains genes for ampicillin resistance and tetracycline resistance and has single sites for restriction sites BglII, PstI and EcoRI. When genes are inserted into the PstI site, transformants are resistant only to ampicillin. In which region is the site for PstI located?
a. within the ampicillin gene
b. within the tetracycline gene
c. between the ampicillin and tetracycline genes.
Discuss two of the non-covalent forces that stabilize tertiary structure in proteins that are affected when the pH is changed.
When Purified Protein Derivative (PPD) isolated from Mycobacterium tuberculosis was injected into the skin of a patient, it caused an area of hardening 1 cm in diameter. How must this PPD test be interpreted? What caused the result.
Meiotic nondisjunction events will create aneuploid gametes.define normal Drosophila male meiotic segregation.
The nutritional data on a cereal box shows that one serving of a dry cereal has 200 kilocalories. If one were to burn one serving of the cereal,
Discuss how the cardiac AP orginates and the pathway by which it spreads through the heart. Include descriptions of common pathological disruptoons of the spread of this AP
The cell walls if bacteria, fungi and plant cells and an extracellular matrix of animal cells are all external to the plasma membrane. Which is the characteristic of all these extracellular structures.
calculate the Shannon-Wiener index (H0) for each plot. I've broken the data above into three separate tables for your calculations. Fill in the following three tables and calculate H0 for each plot.
In bio lab we studied corn on the cob and the four different traits which were purple, smooth , yellow , wrinkled corn. question is the traits i investigated in this excercise inherited though single gene, few genes, many genes?
In mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele. If a dwarf female from a pure line is crossed with a pink male from a pure line, Determine the phenotypic ratios in the F1 and F2 in..
Which of the following do NOT perform function in the nucleus? Transcription factor proteins, ribosome, RNA polymerase or DNA polymerase?
Describe the international standard used for evaluating hearing impairment and how it is used for calculations
Use the data provided below compute the resting membrane potential of this set of cells. Is the inside negative or positive relative to the outside ?
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