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

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