Exam 12: Genes Structure, Replication, and Expression

Initiation of translation in eukaryotes is similar to that in prokaryotes except that more initiation factors are required in eukaryotes.

The coding sequence in the DNA of __________ is normally continuous; that is, it is not interrupted by noncoding sequences.

The process by which the base sequence of all or a portion of a DNA molecule is used to direct the synthesis of an RNA molecule is called

Which of the following is not a complementary base pair usually found in DNA molecules?

Splicing of eukaryotic heteronuclear RNA is catalyzed by ______________.

The B form of the DNA double helix contains a wider major groove and a narrower minor groove because the two polynucleotide strands are not positioned directly opposite one another in the helical cylinder.

A section of DNA that codes for a protein or other functional product is called a(n)

Which of the following is not a pyrimidine?

In order to add a single amino acid to a growing polypeptide chain, a grand total of __________ molecules or ATP or GTP are utilized.

The principle of transformation was first demonstrated by which of the following individuals or groups of individuals?

Eukaryotic mRNAs are modified by addition of a poly(A) sequences at the 3' end and 7-methyl guanosine at the 5' end.

RNA polymerase II of eukaryotes is responsible for transcribing

RNA polymerase III of eukaryotes is responsible for transcribing

The protein coding sequences in interrupted genes are called exons.

The two strands of a DNA molecule are __________; that is, they are oriented in opposite directions.

DNA replication is a complex process, and as a result the frequency of error is quite high.