Abiologist wishes to take a useful gene found in pine trees and introduce it into some bacterial cells. her experimental procedure is given below. 1. use a restriction enzyme to cut a gene out of pine tree dna. 2.use a restriction enzyme to cut open a plasmid. 3.treat the plasmid with dna polymerase. 4.introduce the plasmid into bacterial cells. which step shows an error in the biologist's procedure?

3.Treat the plasmid with DNA polymerase.

Explanation:

DNA polymerase will not be useful in this step of the experiment.

In the third step of the experiment shown in the question above, it would be correct to use the enzyme called ligase, so that the plasmid was linked to the pine gene.

DNA polymerase cannot make this binding since the function of this enzyme is to allow DNA replication. As the polymerase was used in the third step of the experiment, the scientist will not succeed when trying to introduce the plasmid into bacterial cells, since this plasmid does not have the pine gene.

the answer is tropical areas. the tropical areas obtain more

radiant energy from the sun than they lose to space through terrestrial

radiation, and vice versa for polar areas. earth has an energy remaining in the

tropics and an energy scarcity for the polar areas.

explanation:

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.