A Piece of DNA Has Been Sequenced by Ion Torrent™

question 77

Multiple Choice

A piece of DNA has been sequenced by Ion Torrent™ sequencing. The result corresponding to a six-nucleotide segment of this DNA is presented in the graph below, in which pH change is recorded after the addition of each of the four nucleotide triphosphates in cycles. What is the sequence of this segment? All sequences are written from 5′ to 3′.

• A) TACGTA
• B) CGTACG
• C) CCGTAA
• D) CGGTTA
• E) ATTGGC

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Definitions:

Function

A block of code that performs a specific task, designed to execute a particular operation when invoked.

Atomic Variable

An atomic variable ensures operations are completed in a single atomic step, preventing other threads from seeing its intermediate states during updates.

Scalar Variable

A variable that holds a single value of a specific data type, such as an integer or float, as opposed to structures or arrays.

Atomic Data Type

An atomic data type is a type of data that is indivisible in the sense that it is the simplest form of data types that cannot be broken down into smaller types.