Scientists have changed the dna of a type of cabbage so that it contains a tiny amount of poison from a scorpion’s tail. the poison in the cabbage kills caterpillars that try to eat it. this is an example of a) gene therapy. eliminate b) selective breeding. c) genetic engineering. d) artificial selection.

Abnormal softening of a gland is known as

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.

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?