Science Quiz / Theme 2, the structure and properties of nucleotides

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Theme 2, the structure and properties of nucleotides

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QuestionsAnswer
SiNES are...
Where are nucleotides attached when trying to make polynucleotides?
What molecule is liberated at the formation of a phosphodiester bond?
Which enzyme catalyses the formation of polynucleotides?
How many nucleotide pairs are there approximately?
The second criteria of DNA was that it must...that permits its passage across generations
Which histone helps assemble nucleosomes into the 30nm fibre?
One of the criteria of DNA was that it must incorporate a feature which....
Beads on a string refers to...
Of the entire human genome 8% of the DNA represents...
repetitive DNA includes...
The diameter of a DNA molecule is...
Which part of the human genome is relevant to human fingerprinting because it is unique to every individual?
mRNA contains...
Of repetitive DNA, which is moderately repetitive?
Where is the H positioned on a deoxyribose sugar ring?
The number of hydrogen bonds between A-T nucleotide are?
Where is the information stored on a DNA molecule?
How many nucleotides are there per turn in a DNA molecule?
A chromatin molecule is..
A chromatin molecule is a...fibre
QuestionsAnswer
Approx 25% of the human genome is represented by...
There are 3 hydrogen bonds between which two nitrogenous bases?
A hydroxyl group can be found at which end of a polynucleotide?
How many pairs of chromosomes are found in humans?
What is DNA in terms of nucleotides?
What are strands of DNA packaged into?
A nucleoside contains...
after the formation of the 30nm chromatin fibre, the DNA is condensed into...
How many chromosomes are found in humans?
Width of DNA wrapped on histones is
What is the diameter of packed DNA in a nucleus?
Which molecule can be found at the 5' end of a polynucleotide?
What is positioned at carbon 2' on a ribose sugar ring?
What is the difference between prokaryotic and Eukaryotic DNA?
What is the length of unpacked DNA in a nucleus?
Approx how many genes are there in the human genome?
The inter nucleotide distance of a DNA molecule is
% of exons in the DNA
The pyrimidines consist of...
A nucleosome is....
What is phosphorylation?
QuestionsAnswer
When two polynucleotides bond to form a DNA molecule the strands are positioned...
Which type of bond forms when two nucleotides bond at the 3' and 5' carbons
Where is a nucleoside phosphorylated?
the distance of one full twist in a DNA molecule is?
repetitive DNA compromises of how much of the human genome?
Out of ATP,AMP and ADP which of the molecules contain high energy phosphate groups?
How many nucleotides are there in the human genome?
Meselson and Stahl discovered that DNA replication is
%of introns in the DNA
The purines consist of...
Due to one end of a polypeptide been 5' and the other 3' what property does this give a polynucleotide?
Approx how much of the human genome echidnas protein?
The final criteria of DNA was that it must....such that the information carried is altered in a heritable manner
Groups of genes can be expressed without disassembly of the entire chromosome because..
Where are the untranscribed regions found?
sugar+base+phophate=
Viral retroposons are known as...
Why are the bases on a DNA strand likened to rungs on a ladder?
Which region compromises of about 2% of the human genome

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