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To make a phosphate buffer at pH 12.38 starting with one liter of 10mM phosphoric acid (H3PO4; pKs are of 2.15, 6.82, and 12.38), you could add:
a) 15 millimoles of KOH
b) 20 millimoles of HCL
c) You cannot make a buffer by adding HCL or KOH
d) 25 millimoles of HCL
e) 25 millimoles of KOH
q1. if there are 4000 children born to this generation how many will be expected to have ab blood under the conditions
DNAase is an enzyme that catalyzes the hydrolysis of covalent bonds that join nucleotides together. What will first happen to DNA molecules treated with DNAase.
DATA TO USE FOR FIGURE:Concentration (ug/g) of a PCB congener for orca whales.Males at 5, 6, 7, 8, 9, 10 years old have the following concentrations (1.5, 3.0, 4.5, 7.0, 9.0 , 12.0), respectively. Concentrations for females for the same respective ag..
Not all light wavelengths penetrate equally in water. Consequently, plants that live relatively deep in the sea have leaves that look reddish when brought to the surface. Based on this information, which part of the light spectrum (purple, bl..
A species has a diploid number of 2n. Meiosis I fails during spermatogenesis, cytoplasm does not divide and only one daughter cell is manufactured. The resulting sperm fertilizes a normal ovum.
Compare and contrast fatty acid breakdown and synthesis.
What is the green fluerescent protein? In what ways does a green fluorescing cell differ from a cell fluorescing from, for example, staining with a phylogenetic strain?
a population of grasshoppers in the kansas prairie has two color phenotypes green and brown. typically the prairie
1. When do biologists speak of chromatids? What is the difference between chromatids and chromosomes.2. What specific job do histones have? How does it work?
The single channel current for a sodium channel is 6.4 pA, how many ions flow through the channel in 0.5 msec? Faraday constant = 96500 coulombs each mol.
What was Darwin's dilemma with micro and macro evolution? Contrastthe evolutionary changes in light of Darwin's proposed mechanismfor evolution. Compare speciation with the evolution of novelforms.
If you were to take all the DNA molecules in your body and stitch them all together into one gigantic linear double helix, how long would that helix be.
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