1.How was the Spike (pet rat snake) used in the following topics? B. Mitosis 2.Sugar, Phosphate and Base are the components of what structure? Nucleotides 3. What does your DNA code for? It only uses certain portions of those genes. 4. Give two examples of the answer in question #4. 5. David’s mother says that his son Anthony looks almost identical to David when he was a baby. Does this mean Anthony got all his genes from his father and none from his mother Catherine? Explain?

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.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

What will happen if deforestation continue to destroy the green plant on the planet