1. Which of the following are present in your liver cells?
|a. enhancers of genes expressed in the liver|
|b. promoters of genes expressed in the liver|
|c. enhancers of genes expressed in the kidney|
|d. promoters of genes expressed in the kidney|
|e. All of the above are present in liver cells|
2.Why are genes for rRNA and tRNA considered to be genes even though they do not produce polypeptides?
|a. rRNA and tRNA are also gene products along with polypeptides.|
|b. The structures of tRNA and rRNA are similar to the structures of polypeptides.|
|c. The functions of rRNA and tRNA are similar to the functions of polypeptides.|
|d. The statement is false; DNA sequences encoding for rRNA and tRNA are not actually genes.|
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