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

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