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What must happen to a DNA molecule before RNA ploymerase can make RNA?
The double strand helix is opened by enzymes called helicase and this allow the RNA polymerase to copy the DNA strand. The double strand helix is opened by enzymes called helicase and this allow the RNA polymerase to copy the DNA strand.
The direction of synthesis of an RNA transcript is?
transcription:"the first step in protein synthesis, a sequence of nucleotide bases becomes exposed in an unwound region of a DNA strand. That sequence acts as a template upon which a single strand of RNA - a transcript - is synthesized from free nucleotides."The synthesis of an RNA molecule from the DNA template strand is called transcription.
What does semi-conservative model mean?
Refers to semi-conservative replication of DNA. One strand of the old DNA is used as a template to replicate the other, new, strand of DNA. Thus you have four from two, but two of the four are old strands while the other two strands are new. Thus the name semi-conservative replication.
What is the scientific term for the shape of the DNA strand?
The name of the shape of DNA is called double helix. There are two long strands of DNA connected in several points. These strands twist and look like a spiral or a spring.
How many nanometers wide is a strand hair?
100,000
What is the order of bases in the second strand of the DNA molecule?
The order of bases in the second strand of a DNA molecule is complementary to the first strand, following the base pairing rules (A with T, C with G). So, if the first strand has the sequence ATCG, the second strand would have the sequence TAGC.
In the semi-conservative hyposistyesis of DNA replication what proportion of a parent DNA strand is contained by each daughter DNA strand?
The replication is semiconservative. Each strand acts as a template for the synthesis of a new DNA molecule by the sequential addition of complementary base pairs, thereby generating a new DNA strand that is the complementary sequence to the parental DNA. Each daughter DNA molecule ends up with one of the original strands and one newly synthesized strand.
The strand of DNA that encodes the RNA molecule during transcription is the?
Template Strand
When DNA is replicated the original molecule serves as a?
template for creating a new complementary strand. The enzyme DNA polymerase adds nucleotides to the new strand following base-pairing rules with the template strand. This process results in two identical DNA molecules.
What is the process by which a molecule of DNA is copied into a strand of RNA occurs where?
The process by which a molecule of DNA is copied into a strand of RNA is called transcription. It occurs in the nucleus of a cell and involves the enzyme RNA polymerase, which reads one strand of the DNA molecule and synthesizes a complementary RNA strand. This new RNA molecule then serves as a template for protein synthesis.
At the end of replication each new DNA molecule is composed of?
After DNA replication, each new molecule has one strand of the original DNA molecule and the other strand is composed of new nucleic acids. This is due to the semi-conservative replication of DNA.
What Features of DNA replication make it semi-conservative?
the original strand serves as a temple for the new molecule.
What is the largest molecule located on a DNA strand?
The Largest molecule located on a hair strand, Is a kenesis Archaei (Ke-Nee-Ses- Ar-Chay-Ai)
How many strands of nucleotides does a molecule of RNA contain?
A molecule of RNA contains one strand of nucleotides.
Given the following strand of dna what is the complementary strand actggctac?
The complementary DNA strand to ACTGGCTAC is TGACCGATG.
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.
Why the DNA molecule is compared with a twisted ladder?
the whole DNA strand looks like a twisted ladder. the molecules are on the strand.
