What is the pH of a mixture of 5 ml of 0.1 mol/litre sodium acetate and 4 ml of 0.1 mol/litre acetic acid? (pKa of acetic acid at 25oC = 4.76)
How many different kinds of F1 gametes, F2 genotypes, and F2 phenotypes would be expected from the following crosses:
(a) AA X aa;
(b) AA BB X aa bb;
(c) AA BB CC X aa bb cc?
(d) What general formulas are suggested by these answers?
In the 100 photos that you examine, 41 cats have white hair on more than 50% of their bodies, 24 cats have white hair on less than 50% of their bodies, and 35 have no white hair at all. Add this information to the appropriate cells in the ‘Observed #’ column in Table 5.
5. Use the data to determine the S and sallele frequencies at the spotting locus. Show your work and/or reasoning.
What are examples of viruses that go through the lysogenic cycle?
1. What is the pH of a mixture of 5 ml of 0.1 mol/litre sodium acetate and 4 ml of 0.1 mol/litre acetic acid? (pKa of acetic acid at 25oC = 4.76) (3)
How is the pH changed on adding 1 ml of 0.1 mol/litre HCl followed by 3ml of 0.5 mol/litre NaOH to the mixture in question 6 above? (Show your answer by means of calculation taking consideration of transitions taking place and showing how the pH of the solutions is affected
A Mrs Romans claims that her child was wrongly identified a4 hospital, so that she took away a wrong baby. Both Romans and her husband are blood group A. The child's blood group is O. Is Romanas justified in her claim? Make a genetic cross using a punnet square to explain your answer.
Distinguish between binary fission and conjugation in paramecium and explain other protozoans reproduction.