Genetics: DNA & mRNA sequencing

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In summary, DNA sequencing is the process of determining the order of nucleotide bases (Adenine, Thymine, Cytosine, and Guanine) in a DNA molecule, while mRNA sequencing determines the order of nucleotide bases (Adenine, Uracil, Cytosine, and Guanine) in a messenger RNA (mRNA) molecule. The main difference between the two is the type of molecule being sequenced, and they are used for different purposes. Both involve several steps and have a wide range of applications in fields such as medical research, biotechnology, forensics, and agriculture.
  • #1
shawonna23
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Homework Statement


A portion of DNA has the sequence 3' TTGACGC 5'. The sequence of RNA that is transcribed from this sequence is
Choose one answer.
a. 3' UUCAGCG 5'
b. 5' AACUGCG 3'
c. 5' AACTGCG 3'
d. 5' GCGUCAA 3'



Homework Equations



3' TTGACGC 5'
5' AACUGCG 3'

The Attempt at a Solution


B 5' AACUGCG 3'
 
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  • #3
thanks!
 

What is DNA sequencing?

DNA sequencing is the process of determining the precise order of nucleotide bases (Adenine, Thymine, Cytosine, and Guanine) in a DNA molecule. This information is important for understanding the genetic makeup and potential functions of an organism.

What is mRNA sequencing?

mRNA sequencing, also known as RNA sequencing, is the process of determining the precise order of nucleotide bases (Adenine, Uracil, Cytosine, and Guanine) in a messenger RNA (mRNA) molecule. This information is used to study gene expression and identify which genes are being actively transcribed in a cell.

What is the difference between DNA and mRNA sequencing?

The main difference between DNA and mRNA sequencing is the type of molecule being sequenced. DNA sequencing determines the order of nucleotides in a DNA molecule, while mRNA sequencing determines the order of nucleotides in a mRNA molecule. Also, DNA sequencing is used to study the genetic makeup of an organism, while mRNA sequencing is used to study gene expression.

How is DNA and mRNA sequencing performed?

DNA and mRNA sequencing involve several steps, including sample preparation, DNA or mRNA isolation, fragmentation of the molecule, addition of sequencing adapters, and sequencing using specialized machines. The resulting sequence data is then analyzed using bioinformatics tools to identify the order of nucleotides.

What are the applications of DNA and mRNA sequencing?

DNA and mRNA sequencing have a wide range of applications in various fields such as medical research, biotechnology, forensics, and agriculture. They can be used to study genetic disorders, identify disease-causing mutations, track disease outbreaks, study gene expression patterns, and develop genetically modified organisms, among others.

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