A beaker contains a total concentration of 0 62 molar of weak acetic acid with pka = 3.97 and pH = 2.22. Calculate the molar concentration of the undissociated (AH) form. Calculate the answer to three decimal places, do not specify units in the answer.
What is the pH of a solution with a OH- concentration of 0.000810820000 molar? Calculate answer to two decimal places, do not specify units in the answer.
Seed characteristics that influence germination
Describe the characteristic of rainforest and alpine biome? (2 pages long, as a presentation)
Explain the difference between colonisation, infection and disease
Critically review the strategies of a sustainable environment? (3 pages long)
Q3. The following is a pedigree for a rare human trait: (10 Marks)
a. What is the most probable mode of inheritance for the trait indicate above? Give reasons. (3 Marks)
b. If individuals III-3 and III-8 marry, what is the probability of them having a child with the trait? (3.5 Marks)
c. If individuals IV-1 and IV-10, what is the probability of them having a child who expresses the trait? (3.5 marks)
a. which diagram(s) shows synapsis? (1 Mark)
b. Which diagram(s) starts with a haploid cell? (1 Mark)
c. In which diagram did segregation of both chromosome pairs occur? (1 Mark)
d. What phenomenon occurred in division # IV? (1 Mark)
If the products of respiration are carbon dioxide and water, why don’t we drown when we breathe?