| A | B |
|---|
| Transcription requires that a pool of ____ be available in the cell. | Nucleotides |
| The enzyme ___ _____ will catalyze the process. | RNA polymerase |
| Somewhere in the DNA, the ___ for the needed protein is located. | Gene |
| The DNA helix unwinds and the 2 strands of DNA ____, just in the area of the gene. | Separate (hydrogen bonds are broken) |
| The enzyme binds to the strand of DNA that contains the gene, which is called the ___ strand, at a site called the ____. | Sense / promoter |
| Using the gene on DNA as a ____, the enzyme links together one nucleotide at a time to form a strand of ____ complementary to the gene. | Template or pattern / mRNA |
| mRNA synthesis ends when the enzyme reaches a site on the gene called the ____. | Terminator |
| If the cell is a ____ cell, mRNA synthesized directly from DNA needs no further processing and can immediately be used by ribosomes. | Prokaryotic or bacterial |
| If the cell is a ___ cell, the mRNA synthesized directly from DNA requires further processing before it is ready for use by ribosomes.During this processing, ____ are deleted and ___ are spliced together. | Eukaryotic / introns / exons |
| mRNA in prokaryocytes lasts for ___ of time; in eukaryocytes it lasts for ___. | Minutes / hours |
| After the 2 strands of DNA are separated, the one strand which contains the gene is called the ___ strand. | Sense |
