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Deoxyribonucleic acid (/diːˈɒksɪˌraɪboʊnjuːˌkliːɪk, -ˌkleɪ-/ ; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid (RNA) are nucleic acids. Alongside proteins, lipids and complex carbohydrates (polysaccharides), nucleic acids are one of the four major types of macromolecules that are essential for all known forms of life.
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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.
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.
The strand of DNA that encodes the RNA molecule during transcription is the?
Template Strand
Is a DNA strand the same as a DNA molecule?
The DNA molecule is composed of two DNA strands.
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.
What Features of DNA replication make it semi-conservative?
the original strand serves as a temple for the new molecule.
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.
Can DNA be described as conservation?
DNA replication is semi-conservative. This means that each new DNA molecule has one original strand of DNA and one new strand of DNA.
What does semi-conservative mean regard to DNA replication?
replicated DNA is made of one old strand and one new strand.
What is the molecule that seals the gaps between the pieces of DNA in the lagging strand is?
The molecule that seals the gaps between the pieces of DNA in the lagging strand is DNA ligase. DNA ligase is an enzyme that catalyzes the formation of phosphodiester bonds between adjacent DNA fragments, joining them together to create a continuous strand.
What does semi conservation mean in terms of DNA replication?
Semi-conservative replication means that when DNA replicates, each new DNA molecule contains one strand from the original DNA molecule and one newly synthesized strand. This process helps maintain the accuracy of genetic information during cell division.
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.
