At the Beginning of This Century There Was a General

question 32

Multiple Choice

At the beginning of this century there was a general announcement regarding the sequencing of the human genome and the genomes of many other multicellular eukaryotes. Many people were surprised that the number of protein-coding sequences was much smaller than they had expected. Which of the following could account for much of the DNA that is NOT coding for proteins?

• A) most of the DNA serving as origins of DNA replication
• B) DNA that consists of histone coding sequences
• C) DNA that is translated directly without being transcribed
• D) non-protein-coding DNA that is transcribed into several kinds of small RNAs with biological function
• E) non-protein-coding DNA that serves as binding sites for reverse transcriptase

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Definitions:

Asynchronous Communication

A method of communication in which data can be transmitted intermittently rather than in a steady stream, allowing the sender and receiver to not be synchronized.

Domain Name

An identification string that defines a realm of administrative autonomy, authority, or control on the Internet, essentially serving as a website's address.

Top-Level Domain

The last segment of a domain name, following the final dot, used to specify a website's category or country code.

Asterisk

An open-source framework for building communications applications, often used for creating VoIP systems.