Chapter test
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which of the following is a large contributor of gases that create acid rain?
oa) ozone layer
ob) burning fossil fuels
oc) cloud-seeding by airplanes

15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.