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