Exam 3: Nucleic Acids and Transcription

Protein-coding primary transcript exons may be alternatively spliced in such a way that the processed messenger RNA may contain any 1, any 2, any 3, etc., exons, including the possibility of all of them, How many exons would be needed in the primary transcript to allow a total of 31 alternatively spliced forms?

List the components required for eukaryotic transcription.

Which of the following statements is TRUE regarding Frederick Griffith's experiments?

A template DNA strand contains the sequence 3'-ATGCTGAC-5'. This strand is transcribed:

Some RNA molecules possess catalytic activity.

Imagine that you traveled back in time to the early 1940s. You meet a group of scientists, and tell them that DNA is the hereditary material. Why might the scientists refute your statement?

A polymerization reaction is made irreversible by:

All RNA is translated to generate proteins.

A template DNA strand contains the sequence 3'-ATGCTGAC-5'. The corresponding sequence in the RNA transcript is:

The base uracil pairs with:

In messenger RNA, the protein-coding sequence is present in:

A researcher is comparing the cell location of RNA and protein derived from her favorite gene. Which of the following scenarios will she likely find?

Translation is the process by which:

An organism's genomic DNA is analyzed and found to contain 22% thymine. What percentage of that organism's DNA is guanine?

List two features of polycistronic mRNAs.

The type of RNA that physically interacts with a ribosome, providing the sequence information for a specific protein, is abbreviated:

What is an intron?

What is the name of the enzyme complex that forms at the start of transcription?

Which one of the following represents an actual Watson-Crick base pair with the LARGEST number of hydrogen bonds?

The covalent linkage between nucleotides is referred to as a(n) _____ bond.