PLEASE HELP ASAP A. Explain the structure of the DNA double helix, including nucleotides and the way in which they are bonded.

B. Discuss the similarities and differences of DNA replication on the leading and lagging strands.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.