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What initially determines which DNA strand is the template strand and therefore in which direction RNA polymerase ii moves along the DNA?
The promoter region of a gene contains specific sequences that signal RNA polymerase II where to bind and initiate transcription. The orientation of these sequences determines which DNA strand is recognized as the template strand and therefore dictates the direction in which RNA polymerase II moves along the DNA during transcription.
How does RNA polymerase attach to unwound DNA during transcription?
RNA polymerase attaches to unwound DNA during transcription by recognizing and binding to specific promoter sequences on the DNA strand. Once bound, the RNA polymerase begins to synthesize a complementary RNA strand using the DNA template.
What is the term for the 5' DNA strand?
The term for the 5' DNA strand is the leading strand.
Can clones isolated from cDNA libraries contain promoter sequences?
No, clones isolated from cDNA libraries do not contain promoter sequences because the cDNA synthesis process does not retain regulatory elements such as promoters. cDNA is made from mature mRNA and lacks the non-coding regions found in genomic DNA, including promoters. Therefore, clones isolated from cDNA libraries do not include promoter sequences.
What strand of DNA would be prod from the template strand of DNA shown below?
The complementary strand of DNA to the template strand TACGGCTA would be ATGCCGAT.
Part of a strand of DNA with regulatory sequences?
hox gene
Why can you predict the base sequences and a DNA molecule of DNA if you know the sequence of the other strand?
You can predict the base seqences of a DNA molecule if you know what one strand is, because of double Stranded DNA. Each strand matches up with a letter and repeats a pattern throught the entire DNA strand.
What initially determines which DNA strand is the template strand and therefore in which direction RNA polymerase ii moves along the DNA?
The promoter region of a gene contains specific sequences that signal RNA polymerase II where to bind and initiate transcription. The orientation of these sequences determines which DNA strand is recognized as the template strand and therefore dictates the direction in which RNA polymerase II moves along the DNA during transcription.
At what part will DNA strand separate?
telomeres
What would the base sequences on the other strand of Dna be?
They would be described as being complementary - as in complementary base pairing.
The complimentary strand or matchig strand of DNA for tagtca would be?
It would be ATCAGT. A=T T=A G=C C=G for all the DNA sequences the complementary strand would be the opposite.
Which part of DNA is double helix?
The whole DNA strand is a double helix.
What is a part of DNA strand called?
Pyrimidines or Purines
How accurate is DNA testing of hair?
Very accurate to the base pair. The quality of the specimen matters as DNA can degrade. Short strand sequences (10-12 base pairs) can still be determined by PCR from one strand of hair.
How does RNA polymerase attach to unwound DNA during transcription?
RNA polymerase attaches to unwound DNA during transcription by recognizing and binding to specific promoter sequences on the DNA strand. Once bound, the RNA polymerase begins to synthesize a complementary RNA strand using the DNA template.
What is the strand?
The template strand, if reffering to DNA, is the strand of the DNA that is copied to make more DNA.
What is the complementary strand of DNA?
The complementary strand of DNA is a strand that matches the sequence of the original DNA strand through base pairing rules. Adenine pairs with thymine (A-T) and cytosine pairs with guanine (C-G). This results in two DNA strands with complementary sequences that can be used for replication and transcription.
