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How can you have a mutation occur in the nucleotide sequence on one of your strands of DNA without you knowing?
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What makes Dna strands unique to every organism?
Their unique SEQUENCE of nucleotide BASES accomplishes this Functional Property in Dna strands.
A point mutation involves a change in an?
A point mutation is a genetic mutation when a wrong nucleotide bonded to DNA during replication. Usually, DNA polymerase can prevent that because it's an enzyme that finds the right nucleotides to bond to new DNA strands.
What links together to form strands of dna?
a nucleotide
What type of chemical bond exits between the two different strands of DNA?
Hydrogen bonding of nucleotide across to nucleotide.
Which is the subunit of DNA that links together to form strands of DNA?
a nucleotide
What part of the nucleotide make up the backbone of the DNA molecule?
dna strands
Do hydrogen bonds hold two DNA strands together?
Either two or three, depending on the exact nucleotide. Three in G-C, two in A-T.
Is nucleotide related to DNA?
individual nucleotides make up the long strands of DNA.
Would all mutations to DNA happen to a gene?
all mutations in terms of DNA happen in a gene. here it has to be noted that a gene is made up of two strands of nucleotides which are made up of amino acids. when mutations occur the sequence of nucleotides may change. sometimes a nucleotide may become missing hence the sequence of the strands change. mutations can be harmful but also very beneficial.
Are no two nucleotide sequences in DNA molecules ever the same?
Yes. This can happen via a gene duplication in a single organism or by shear coincidence (though its increasingly unlikely the biggest the sequence in question). Identical sequences can happen across species due to heredity from a common ancestor of a common gene or genetic marker, such as we see in ERVs and analysis from computational genomics.
What enables DNA to be copied?
Before a cell divides, its DNA is replicated (duplicated.) Because the two strands of a DNA molecule have complementary base pairs, the nucleotide sequence of each strand automatically supplies the information needed to produce its partner.
What is a word that describes that the strands of DNA run in opposite directions?
Anti-parallel
