- Which of the following is not a type of RNA?
(a) rRNA
(b) uRNA
(c) tRNA
(d) mRNA - An operon consists of structural DNA, regulatory RNA, and control cells.
(a) True
(b) False - What process begins protein synthesis?
(a) transcription
(b) translation
(c) polypeptide
(d) genotyping - The point at which the double-stranded DNA molecule unwinds is called
polymerase.
(a) True
(b) False - What is the promotor site?
(a) A site where RNA polymerase binds to DNA.
(b) A site where RNA polymerase binds to protein.
(c) A site where RNA polymerase binds to free nucleotides.
(d) A site where RNA polymerase binds to ATP. - The unexpressed properties of heredity are called the
(a) genotype
(b) exons
(c) introns
(d) phenotype - An RNA polymerase is an enzyme that is used in the synthesis of RNA.
(a) True
(b) False - The three nucleotide units withing the mRNA strand are called exons.
(a) True
(b) False
(^258) Final Exam
c17_betsy_final exam.qxd 5/9/05 6:11 PM Page 258