Exam 12: From Gene to Protein

A sequence of DNA to which RNA polymerase binds in order to begin transcription is called the ________.

The series of bases in mRNA that can specify a single amino acid is called a(n)________.

The RNA molecule in the following figure could have been translated directly from the DNA molecule shown in this figure.

It is possible for a mutation to occur and yet not alter the end product of translation if

Gene regulatory proteins that interact with signals from the environment,both internal and external cues,and also with regulatory DNA to promote or repress gene expression are called ________.

Messenger RNAs usually persist for weeks after they are produced,but their life span can sometimes be reduced to minutes or hours,if necessary.

DNA molecules are double-stranded,whereas most RNA molecules are single-stranded.Which of the following choices is the most likely reason that RNA does NOT need to be double-stranded?

Which of the following would be found only in RNA?

Each time transcription occurs,all the DNA in a cell is copied.

Each tRNA molecule has a site at one end that ________ and a site at the other end that ________.

The information in a gene is encoded by the

Which molecules are involved in translation?

Using the following chart,which chain of amino acids would be produced by the entire sequence UGUACGAUAGGCUAG?

During RNA splicing

A codon can specify up to three different amino acids.

The importance of tRNA is that it

Protein coding genes specify the manufacture of ________ as their immediate product.

A mutation occurs in the promoter of a protein-encoding gene.How might this mutation affect the production of the protein encoded by the gene?

Which of the following is a codon?

Which of the following is the best and most complete description of the function of genes?