Exam 9: From Dna to Protein

MATCHING Choose the best matching element. a.deciphered the mRNA code words b.RNA-directed synthesis of polypeptide chains c.sites at which RNA polymerases can bind and initiate transcription d.binds to small subunit platform of a ribosome e.guided and catalyzed by RNA polymerases f.polypeptide chain elongation proceeds independently at each body in this cluster g.discovered transposons h.a tRNA triplet opposite a codon i.a set of three nucleotides -McClintock

____ molecules carry protein-assembly instructions from the nucleus to the cytoplasm.

-Which event of translation is shown in the figure above?

The relationship between strands of RNA and DNA is

If the DNA triplets are ATG-CGT, the mRNA codons are

What are the odds of a given cell division producing a product with a mutation in a region that produces a protein product?

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately. a.AUG b.UAA c.UUU d.UUA e.AAA -The anticodon AAA pairs with this codon.

MATCHING Choose the best matching element. a.deciphered the mRNA code words b.RNA-directed synthesis of polypeptide chains c.sites at which RNA polymerases can bind and initiate transcription d.binds to small subunit platform of a ribosome e.guided and catalyzed by RNA polymerases f.polypeptide chain elongation proceeds independently at each body in this cluster g.discovered transposons h.a tRNA triplet opposite a codon i.a set of three nucleotides -Nirenberg, Leder

A gene mutation

The portion of the DNA molecule that is translated is composed of

-The structure in the above figure demonstrates which of the following?

During the termination stage

Ricin is

The two steps of transcription followed by translation

In transcription, RNA polymerase binds to a __________ in the DNA near a gene, and then assembles a strand of RNA.

DNA and RNA are alike in

Which of the following statements is true?

-Which stage of translation is shown in the figure above?

There are how many different kinds of RNA codons?

Each tRNA has an __________ that base-pairs with a codon, and each binds to the kind of amino acid specified by the codon.