Science Quiz / DNA replication, mutation and repair revision

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Can you name the DNA replication, mutation and repair revision

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QuestionsAnswer
CCR5 codes for the.... that is also the co-receptor for HIV I
In which phase are the duplicated copies of DNA separated and prepared for mitosis?
An example of a gross level deletion mutation is...
What is unusual about telomerase?
Where do SSB's sit?
telomerase is a type of...
What forms when helicase unwinds DNA?
Which molecule fills in the gaps between adjacent okazaki fragments?
In which part of the cell cycle does protein synthesis occur?
Adenine deamination causes the product to base pair with...
Which protein is used to prevent the single strand DNA rejoining by stabilising it?
How many replication origins to circular bacterial chromosomes have?
forward slippage is caused by the...
What is the distance (in bases) between each replication origin in eukaryotes?
cytosine is deaminated to...
small scale insertion and small scale deletions are known as...
sickle cell is an example of a...
Reverse slippage is caused by the...
Due to a frame shift the...
Daughter strands are produced from parent strands where?
Mutations appear in our genomes due to...
Unwinding the double helix in one region causes coiling in another, what is this known as?
What is the hayflick limit?
what percentage of all human primary tumor test positive for telomerase activity?
Why must the end replication paradox not occur?
defective nucleotide excision repair of UV damage can lead to...
Which molecule extends the primers with DNA from 5' to 3'
Chemically physical induced mutations are caused by...
Which molecule is used to prevent supercoiling?
Adenine is deaminated to...
Errors in DNA replication occur due to the...
QuestionsAnswer
Another name for the hayflick limit?
Errors in DNA replication, replication slippage and deamination are examples of...
Cri du chat syndrome caused by the...
Why does telomerase not need a chromosomal template?
Supercoiling causes...
When the last base of the triplet code is changed, unaltering the amino acid it is known as...
Which molecule is used to prompt DNA replication?
Which enzyme separates the DNA into two strands?
in which direction does telomerase work?
The lagging strand contains...
primers are no longer than...
A nonsense mutation is when an amino acid triplet code is mutated into a...
Uv light causes..to form
Physical induced mutation includes...
DNA synthesis commences in which phase?
When a single code in the triplet code is altered and the causing the amino acid to change this is known as a...
DNA damage is repaired via...
Which cells do not grow old and have no reproductive limit?
reverse transcriptase is a type of...
an example of NER mutation for UV damage is the mutation in...which encodes for a helices required for NER
huntington's disease is more likely if there are more than 10-34 (36-121) of which codon and amino acid
Which type of UV light is mutagenic?
indwells generally do have a major impact on human health when they occur in an....
If an indel keeps the DNA code a multiple of three then there is...
DNA polymerase posses which correction enzyme to check if a wrong nucleotide is present?
Reverse transcriptase can't proofread because...
Which molecule removes RNA primers and replaces it with DNA on both strands?
Ends of linear chromosomes being lost after each round of replication is known as the...
molecules which fit into spaces between base pairs causing replication errors are known as...
An example of direct repair which removes damaged DNA and resynthesises it is...
When N-RAS mutates its amino acid Gln becomes...
QuestionsAnswer
Indels generally do not have major impact on health when they occur in an...
Chronic myelogenous leukaemia occurs when pieces of...resulting in the philidelphia chromosome
another name for a silent mutation is called a...
Where do helices enzymes act?
A reverse transcriptase inhibiter that was used before but became obsolete due to the high RNA mutation rate was...
Cytosine deamination causes the product to base pair with...
An example of direct repair removing foreign methyl groups is..
Deamination is...from a molecule
What is the final error rate in DNA?
What is primase?
In sickle cell the amino acid glutamic acid becomes..
What prevents the loss of the ends of chromosomes after a round of replication?
DNA polymerase will only begin synthesis at...
Gross mutations include...
Topoisomerase...to relieve pressure of supercoiling
Cystic fibrosis occurs due to a deletion of which gene
Semi conservative replication means each DNA molecule contains...
How many replication orgins do eukaryotic chromosomes have?
Which type of UV light is absorbed by the ozone layer?
A symptom of XP is extreme sensitivity to sunlight by the age of...
When a single base is changed it is called a...
What is the direction of DNA synthesis?
Individual who are homozygous of the...in the CCR5 allele are resistant to HIV I
If an index is not a multiple of three after an index a...occurs
ionizing radiation causes....to break
The formation of telomeres is catalysed by the enzyme...
exonuclease moves in which direction?
An example of gross mutation, translocation is...
A non-synonymous mutation is called a...
replication happens...in both eukaryotes and prokaryotes
The strand within which there is no lag is called...

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