Drawing Conclusions About Brown Tree Snakes
HANDOUT
1.10.B
1. The brown tree snake is native in areas such as Australia and eastern Indonesia. In
those ecosystems, the brown tree snake is not causing the decline of bird or tree
populations. So what makes this same species damaging in Guam? Identify some
characteristics a species may possess that would fuel its ability to cause ecological
damage, as the brown tree snake has in Guam. Provide some reasoning for why
you chose these characteristics.

step 1: initiation

initiation is the beginning of transcription. it occurs when the enzyme rna polymerase binds to a region of a gene called the promoter. this signals the dna to unwind so the enzyme can ‘‘read’’ the bases in one of the dna strands. the enzyme is now ready to make a strand of mrna with a complementary sequence of bases.

step 2: elongation

elongation is the addition of nucleotides to the mrna strand. rna polymerase reads the unwound dna strand and builds the mrna molecule, using complementary base pairs. there is a brief time during this process when the newly formed rna is bound to the unwound dna. during this process, an adenine (a) in the dna binds to an uracil (u) in the rna.

step 3: termination

termination is the ending of transcription, and occurs when rna polymerase crosses a stop (termination) sequence in the gene. the mrna strand is complete, and it detaches from dna.

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project