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1.) You have 100 ml each of 400 mg/ml sodium phosphate, 250 mg/ml sodium chloride, and 100 mg/ml potassium nitrate. You want to make one liter of a solution containing 10 mg/ml sodium phosphate, 10 mg/ml sodium chloride, and 10 mg/ml potassium nitrate. How much of each starting solution do you need to use, and how much water do you need to add?2.) You have 100 ml each of 50 mg/ml human chorionic gonadotropin, 25x HCG buffer, and 400 mM potassium chloride. You want to make one liter of a solution that is 1 mg/ml human chorionic gonadotropin, 1x HCG buffer, and 40 mM potassium chloride How much of each starting solution do you need to use, and how much water do you need to add?
Assume that you measure the OD of two E.coli cultures: culture A and culture B. The spectrophotometer gives you a reading of 3.2 for culture A and 0.01 for culture B. What would you do to determine the concentration of culture A and B and why? Giv..
Examine the anatomical structure of ten different organelles in the cell and their respective functions and Analyze five different types of connective tissue with examples of functions and location within the body.
Distinguish between prezygotic and postzygotic barriers to gene flow. Give two examples of each. Is polyploidy in plants a pre- or postzygotic barrier?
Histone hyperacetylation of certain genes is associated with cancer. What is the effect of histone acetylation on gene expression, and what is the normal function of the genes affected?
Which of the following occurs when proteins fold.
Suppose you found two distinguishable types of individuals in wild populations of some organism in the following frequencies: Type 1 Type 2 Females 99% 1% Males 90% 10% The difference is known to be inherited. Are these data compatible with the tr..
Will victim die, or would the scientist have to go back to the laboratory to invent a more effective death-ray. The DNA is consequently isolated and centrifuged in a CsCl2 gradient to yield what type of gradient band(s).
Suppose a single-basesub stitution occurs in a codon that specifies proline, allamino acids that would replace proline if the mutation was a Transition and Transversion
q1. where in a body do sperm and urine share the similar passage? what male structures serve only for excretion which
A analyzer discoveres that the correlation coefficient between the exposure to a dangerous chemical and the growth of a certain species of butterfly is -.40.
What type of cells emphasizes mainly glycolysis for ATP production. What is the biochemistry of acidic and alcoholic fermentation?
Which of the following is true regarding complex carbohydrates.
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