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Has the structure of DNA changed over time?
Although there are three forms of DNA that have been discovered (A form, B form and the Z form), the structure of DNA itself is the same in all organisms. DNA may be packed differently or may contain additional chemical groups attached to the bases (like methylated DNA). However, the structure of DNA is similar in all organisms. This is the reason why it has been named the molecule of life.
Which part of DNA forms the double-helix structure?
All of it, that is the shape of the molecule.
Which bio-molecule doesn't have oxygen in their structure?
Lipids, carbohydrates, amino acids/proteins, and nucleotides/DNA all have oxygen atoms in their structures.
What shape does the double-stranded DNA have?
The structure of DNA( in over all) similar to twisted ladder.
What is a complex molecule in the cell's chromosomes that carries genetic information?
DNA (deoxyribonucleic acid) is a complex molecule found in the cell's chromosomes that carries genetic information. DNA is composed of a double helix structure that contains the instructions for the development, functioning, growth, and reproduction of all living organisms.
If all the hydrogen bonds in a DNA molecule were to break what would happen?
If all the hydrogen bonds in a DNA molecule were to break, the two strands of the DNA molecule would separate. This process is known as denaturation. The DNA molecule would no longer be able to function properly for processes such as replication or transcription.
What happens If all of the hydrogen bonds in a DNA molecule were to break?
If all hydrogen bonds in a DNA molecule were to break, the double helix structure of DNA would unwind and separate into two single strands. This would disrupt the genetic information stored in the DNA molecule, preventing normal cellular functions such as replication and transcription. Ultimately, this could lead to genetic mutations and cell death.
Is DNA prokaryotic or erucaryotic?
DNA itself is neither prokaryotic nor eukaryotic; it is a type of molecule found in all living organisms. However, the organization of DNA differs between prokaryotes and eukaryotes. In prokaryotes, DNA is typically circular and not enclosed in a nucleus, while in eukaryotes, DNA is linear and housed within a membrane-bound nucleus. Thus, the classification pertains to the cellular structure rather than the DNA molecule itself.
How does a model of DNA differ from an actual DNA molecule?
A model of DNA is a representation, often simplified, of the double helix structure with the base pairs adenine, thymine, cytosine, and guanine. An actual DNA molecule is a complex biological entity made up of these base pairs that carries genetic information and can replicate and transcribe to produce proteins. Models may not capture all the intricacies and functions of a real DNA molecule.
What si DNA?
DNA, or deoxyribonucleic acid, is a molecule that contains the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses. It is commonly found in the nuclei of cells and consists of two strands that are twisted into a double helix structure. DNA carries the hereditary information that is passed from parents to offspring.
Which organic molecule contains your genetic code?
The genetic code is contained in the molecule called DNA (deoxyribonucleic acid). DNA is a long, double-helix structure that carries the genetic instructions used in the development, functioning, growth, and reproduction of all known living organisms.
Molecule found in all DNA and RNA nucleotides?
100000000000
