Which of the following statements is/are correct for a healthy human?1 A protein section coded for by part of a gene consisting of 500 base pairs will have a maximum…

To get to work, Sylvie first catches a bus and then catches a train.The probability that the bus is on time is 0.6The probability that the bus is late is…

Cosmologists have deduced that soon after the Universe was formed it was filled with electromagnetic radiation in the form of intense gamma-rays. They have also deduced that the Universe has…

The concentration of Fe2+ ions in a solution can be determined by titration with acidifed potassium manganate(VII) solution.The ionic equation for the reaction is:5Fe2+ + MnO4– + 8H+ → 5Fe3+…

A pea plant is heterozygous for seed colour and homozygous for seed shape. Yellow seed colour (Y) is dominant to green seed colour (y). Round seed shape (R) is dominant…

The decomposition of hydrogen peroxide in the presence of a manganese(IV) oxide catalyst produces water and oxygen gas.2H2O2(aq) → 2H2O(l) + O2(g)0.2 g of manganese(IV) oxide granules are added to…

Which of the following is/are included in the carbon cycle?1 amino acids in an animal2 cellulose in a plant cell wall3 lipids in a bacterial cell membrane Answer: 13) H…

Point M has coordinates (6, 3p −1) and point N has coordinates (1− p, 2). The gradient of the straight line joining M and N is − 3 and it…