Aseries of enzymes catalyze the reactions in a metabolic pathway represented as such: x--> y--> z--> a product a binds to the enzyme that converts x to y, at a position remote from its active site. this binding decreases the activity of the enzyme. with respect to the enzyme that converts x to y, product a functions as

An allosteric inhibitor.

Explanation:

An allosteric inhibitor binds to the enzyme at a site other than the active site and changes it conformation or charge in a way that reduces binding of substrates and thus reduces the enzymatic activity of the enzyme.

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.

i think that it is plants