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A weak acid, Ha, is 0.1% ionized in a 0.2M solution. Answer the following questions:
a) What is the equilibrium constant (Ka) for the dissociation of this acid?b) What is the pH of this solution?c) How much 'weaker' in active acidity of the HA solution compared to 0.2M HCl solution?d) How many mls of 0.1 M NaOH would be needed to neutralize completely 250 ml of the 0.2M HA solution?
Single stranded binding protein, topoisomerase and telomerase all solve potential problems in DNA replicatio.
Plants lacking this enzyme grow slowly and are often light green or white in colour. Provide explanations with support for both these plants' slow growth rates and light-green or white appearance.
Does the volume of air passing in and out of the resting subject's lungs each minute increase or reduce due to exercise? If so, was the change due to an increase in the rate of breathing,
DAALAQTAHRLKGVFAMLN after phosporylation of His through RcsC the following pKas are revelead: N terminus= 9.5 and C-terminus 4.5 Asp side chain: 3.3;
Which of the following are secondary sex characteristics in females?
In a cohort study that found an association between alcohol consumption and bladder cancer, 20,000 middle-aged men were asked about their drinking habits and then tracked for 5-years to watch for development of cancer.
Describe all three from the young plant with bark. Dermal is like skin on your body. The vascular is part taht puts food in your mought.
In the presence of high intracellular concentrations of tryptophan, only short transcripts of the trp operon are synthesized because of attenuation of transcription 5' to the structural genes.
When doing the diffusion lab where you add blue and red dye to the corn syrup. Estimate the molecular weight of the blue and red dye compute the total distance traveled in (mm) and the speed of diffusion (mm/hr)?
Which one of the following is not typically associated with cuturl eutrophication?
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. (Recall: enzymes are proteins.) To complete this project, it may be useful for you to review.
A fish on the outside of a school swims inward, leaving other fish on the edge. These new "edge" fish then move inward and the cycle repeats.
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