Scientists perform cellular transformation for a variety of different purposes. cellular transformation is not successful on all situations in which it is performed, however. a scientist conducts an experiment in which a bacterial culture is mixed with recombinant plasmids containing a gene for resistance to penicillin. the bacterial culture is then treated with penicillin. which of the following would indicate to the scientist that the recombination was unsuccessful? a. the bacteria that contain the plasmid survive. b. the penicillin kills the bacteria that were transformed. c.

How do cells grow and reproduce to maintain homeostasis?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius