Which procedure would ensure that a foreign dna fragment could easily incorporate into a bacterial plasmid when the two are mixed together? a)the fragment and plasmid are both cut with the same restriction enzyme. b)the plasmid is modified to contain gfp. c)the plasmid is pretreated with dna ligase. d)the dna fragment is pretreated with dna ligase.

Secondary succession would most likely be taking place in a(n)

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.

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d