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

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