DNA Sequence for Anti-Sense Strand of CCUAGGCUA mRNA Molecule

  • Context: Biology 
  • Thread starter Thread starter Coco12
  • Start date Start date
  • Tags Tags
    Genetics Molecular
Click For Summary
SUMMARY

The anti-sense strand of the DNA corresponding to the mRNA sequence CCUAGGCUA is GGATCCGAT. This sequence is derived by replacing uracil (found in RNA) with thymine (found in DNA) and reversing the mRNA sequence to align with the 3' to 5' directionality of the anti-sense strand. The discussion confirms that the anti-sense strand serves as the coding strand for mRNA synthesis, and emphasizes the importance of understanding base pairing conventions in nucleic acids.

PREREQUISITES
  • Understanding of DNA and RNA structure
  • Knowledge of base pairing rules (A-T, G-C, U-A)
  • Familiarity with transcription processes in molecular biology
  • Basic grasp of 3' and 5' strand orientation
NEXT STEPS
  • Study the process of transcription in detail
  • Learn about the differences between DNA and RNA, focusing on nucleotide composition
  • Explore the significance of 3' and 5' ends in nucleic acid synthesis
  • Investigate the role of complementary base pairing in genetic coding
USEFUL FOR

Students of molecular biology, geneticists, and anyone interested in understanding the mechanisms of gene expression and nucleic acid interactions.

Coco12
Messages
272
Reaction score
0
A portion of an mRNA molecule has the sequence CCUAGGCUA. What is the sequence of the anti sense strand of the corresponding DNA molecule?

The anti sense strand is the coding strand. The 3' to 5' strand from which mRNA builds. Does that mean the sequence would be backwards?
 
Physics news on Phys.org
Coco12 said:
A portion of an mRNA molecule has the sequence CCUAGGCUA. What is the sequence of the anti sense strand of the corresponding DNA molecule?

The anti sense strand is the coding strand. The 3' to 5' strand from which mRNA builds. Does that mean the sequence would be backwards?

First part: write out your reasoning for thinking that.

2nd part: are all bases the same in RNA and DNA?
 
epenguin said:
First part: write out your reasoning for thinking that.

2nd part: are all bases the same in RNA and DNA?

RNA has uracil instead of thymine

So it would the complementary base pairs : GGATCCGAT?
 
Coco12 said:
RNA has uracil instead of thymine

Right.

Coco12 said:
So it would the complementary base pairs : GGATCCGAT?

are you unsure? This is not for a guess, just a test of knowing how mRNA is synthesised, and the conventions. Do a little picture if nec and don't be afraid to attach 3' and 5' signs to your strand ends.
 
epenguin said:
Right.
are you unsure? This is not for a guess, just a test of knowing how mRNA is synthesised, and the conventions. Do a little picture if nec and don't be afraid to attach 3' and 5' signs to your strand ends.

Just to clarify if the question said sense strand instead of anti , it would be the same sequence given except it would have thymine instead of uracil right?
 
Coco12 said:
RNA has uracil instead of thymine

So it would the complementary base pairs : GGATCCGAT?

Is that the sequence complementary to the mRNA?

Coco12 said:
Just to clarify if the question said sense strand instead of anti , it would be the same sequence given except it would have thymine instead of uracil right?

yes I think that's a correct deduction.
 

Similar threads

Biology Genetics: Understanding the Base Sequence of Messenger RNA
  • · Replies 7 ·
Replies
7
Views
3K
Why does the DNA codon ACG code for threonine in the RNA codon table?
  • · Replies 12 ·
Replies
12
Views
3K
Biology Genetics Chromosomal Inversion problem
  • · Replies 2 ·
Replies
2
Views
2K
Biology Point mutation, change in rna and protein
  • · Replies 6 ·
Replies
6
Views
2K
How to Read an mRNA Sequence from a DNA Sequence?
  • · Replies 2 ·
Replies
2
Views
6K
Eukaryotes have more freedom? (DNA)
  • · Replies 2 ·
Replies
2
Views
2K
Biology (translation) extremely confused, final is tomorrow
  • · Replies 1 ·
Replies
1
Views
5K
Biological Info: Understanding & Analyzing
  • · Replies 15 ·
Replies
15
Views
3K
Why Does DNA Replication Require a Lagging Strand?
  • · Replies 4 ·
Replies
4
Views
3K
Proteins' incorporation as a digestive enzyme in lysosome
  • · Replies 1 ·
Replies
1
Views
8K