The common fruit fly drosophila melanogaster is the most studied organism in genetic research because it is small, is easy to grow, and reproduces rapidly. the length of the thorax (where the wings and legs attach) in a population of male fruit flies is approximately normal with mean 0.800 millimeters (mm) and standard deviation 0.077 mm. (round your answers to four decimal places.) (a) what proportion of flies have thorax lengths less than 0.7 mm?

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

the correct answer should be false

{apex}

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.