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Maurice Wilkins & Rosalind Franklin : they developed a high quality x-ray diffraction photographs of strands of DNA. these photographs suggested that the DNA molecule resembled a tightly coiled helix and and was composed of 2 or 3 chains of nucleotides .
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Is DNA single stranded?
Not mostly. DNA consists of two polynucleotide chains wound around each other in a right-handed double helix. In living cells, the only time DNA double helix becomes single stranded for a brief amount of time is during DNA replication. However, as with most things, there are exceptions. many viruses contain single stranded DNA (abbreviated ssDNA) as their genetic material.
Watson and crick built models that demonstrated what?
In1953 scientist Watson and crick discovered that the structure of DNA forms the shape of a double helix ladder.
Is DNA a single stranded molecule?
Yes, DNA is double-stranded.There are two strands. Each one is a polymer (series) of nucleotides, and the two strands twine round one another to form the DNA molecule.
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.
What shape does a DNA Molecule have?
DNA molecule is shaped like a spiral staircase and is composed of two parallel strands of linked subunits.
Watson and Crick knew that the triple helix model of DNA that Linus Pauling had proposed was incorrect What evidence did they have for such a conclusion?
The problem of replication could not be worked out in triple helix.
What are the two strands of a double stranded chromosome called?
The double helix.
What is the major difference between normal DNA double helix and RNA double helix?
The term double helix refers to the structure formed by double-stranded molecules of nucleic acids. Only DNA forms a double helix because RNA is only single-stranded.
What is a single helix molecule?
A DNA molecule has the shape of a double-stranded helix.
The double-stranded structure of a DNA molecule is referred to as the?
The double helix.
What is the name for double stranded DNA?
DNA is a double-stranded nucleic acid.
Is DNA double or single strand?
DNA is double stranded. It is described as a double helix, kind of like a twisted ladder.
What word describes the shape of DNA and RNA?
Double stranded, single stranded. DNA can be described as having a double helix structure.
What is major difference between normal DNA helix and RNA helix?
DNA is double stranded while RNA only has one strand.
Is a DNA a single stranded?
DNA is a double helix structure like a twisted ladder
What is a description of the structure of DNA and RNA?
DNA is double stranded whereas RNA is single stranded . They are different in their functioning as well .
A dna molecule has a uniqe design that resembles a spiral staircase scientists call this design?
A DNA molecule has a unique design that resembles a spiral staircase that scientist call a double helix. It is a winding, two stranded chemical structure.
