With Reference to the Logic Circuit, the Output Y

question 4

Multiple Choice

With reference to the logic circuit, the output Y will be at a logic 1 when

• A)inputs A and B are logic 1.
• B)input A or B is logic 1.
• C)input A is at logic 1 and input B is at logic 0.
• D)input A is at logic 0 and input B is at logic 1.

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Definitions:

Poly-A Tail

A stretch of adenine nucleotides added to the 3' end of mRNA molecules, protecting the mRNA and aiding in its export from the nucleus.

Transcriptional

Pertaining to transcription, the process by which genetic information from DNA is copied to RNA, leading to protein synthesis.

Posttranscriptional

Pertaining to modifications and processes that occur in a eukaryotic cell after transcription of DNA into RNA, affecting mRNA stability, translation, and other aspects.

Pretranscriptional

Pertaining to the biological regulatory processes that occur before the transcription of DNA to RNA.