Science Quiz / DNA replication, mutation and repair revision

Random Science Quiz

Can you name the DNA replication, mutation and repair revision

Quiz not verified by Sporcle

Forced Order
Challenge
Share
Tweet
Embed
Score 0/93 Timer 10:00
QuestionsAnswer
When N-RAS mutates its amino acid Gln becomes...
Reverse transcriptase can't proofread because...
DNA polymerase posses which correction enzyme to check if a wrong nucleotide is present?
Which cells do not grow old and have no reproductive limit?
Supercoiling causes...
Which molecule removes RNA primers and replaces it with DNA on both strands?
Another name for the hayflick limit?
molecules which fit into spaces between base pairs causing replication errors are known as...
telomerase is a type of...
what percentage of all human primary tumor test positive for telomerase activity?
A symptom of XP is extreme sensitivity to sunlight by the age of...
An example of direct repair removing foreign methyl groups is..
An example of gross mutation, translocation is...
What is the hayflick limit?
Ends of linear chromosomes being lost after each round of replication is known as the...
primers are no longer than...
Why does telomerase not need a chromosomal template?
The formation of telomeres is catalysed by the enzyme...
DNA damage is repaired via...
small scale insertion and small scale deletions are known as...
Reverse slippage is caused by the...
Topoisomerase...to relieve pressure of supercoiling
What is the distance (in bases) between each replication origin in eukaryotes?
DNA polymerase will only begin synthesis at...
When a single code in the triplet code is altered and the causing the amino acid to change this is known as a...
defective nucleotide excision repair of UV damage can lead to...
When a single base is changed it is called a...
Which type of UV light is mutagenic?
Cri du chat syndrome 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...
QuestionsAnswer
Which enzyme separates the DNA into two strands?
DNA synthesis commences in which phase?
Errors in DNA replication occur due to the...
Where do SSB's sit?
How many replication origins to circular bacterial chromosomes have?
Gross mutations include...
An example of a gross level deletion mutation is...
When the last base of the triplet code is changed, unaltering the amino acid it is known as...
If an index is not a multiple of three after an index a...occurs
in which direction does telomerase work?
What is unusual about telomerase?
Physical induced mutation includes...
In which part of the cell cycle does protein synthesis occur?
If an indel keeps the DNA code a multiple of three then there is...
Which molecule is used to prevent supercoiling?
cytosine is deaminated to...
Cytosine deamination causes the product to base pair with...
What is the direction of DNA synthesis?
Where do helices enzymes act?
Semi conservative replication means each DNA molecule contains...
Chemically physical induced mutations are caused by...
an example of NER mutation for UV damage is the mutation in...which encodes for a helices required for NER
Adenine deamination causes the product to base pair with...
A reverse transcriptase inhibiter that was used before but became obsolete due to the high RNA mutation rate was...
Indels generally do not have major impact on health when they occur in an...
What forms when helicase unwinds DNA?
How many replication orgins do eukaryotic chromosomes have?
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
Why must the end replication paradox not occur?
Due to a frame shift the...
QuestionsAnswer
A non-synonymous mutation is called a...
Deamination is...from a molecule
Adenine is deaminated to...
Which molecule extends the primers with DNA from 5' to 3'
reverse transcriptase is a type of...
The strand within which there is no lag is called...
Which protein is used to prevent the single strand DNA rejoining by stabilising it?
In sickle cell the amino acid glutamic acid becomes..
exonuclease moves in which direction?
indwells generally do have a major impact on human health when they occur in an....
What is the final error rate in DNA?
Chronic myelogenous leukaemia occurs when pieces of...resulting in the philidelphia chromosome
CCR5 codes for the.... that is also the co-receptor for HIV I
What is primase?
ionizing radiation causes....to break
Which molecule is used to prompt DNA replication?
Which molecule fills in the gaps between adjacent okazaki fragments?
Uv light causes..to form
Cystic fibrosis occurs due to a deletion of which gene
sickle cell is an example of a...
Daughter strands are produced from parent strands where?
forward slippage is caused by the...
replication happens...in both eukaryotes and prokaryotes
huntington's disease is more likely if there are more than 10-34 (36-121) of which codon and amino acid
What prevents the loss of the ends of chromosomes after a round of replication?
Errors in DNA replication, replication slippage and deamination are examples of...
Which type of UV light is absorbed by the ozone layer?
Unwinding the double helix in one region causes coiling in another, what is this known as?
A nonsense mutation is when an amino acid triplet code is mutated into a...
The lagging strand contains...
Mutations appear in our genomes due to...

You're not logged in!

Compare scores with friends on all Sporcle quizzes.
Sign Up with Email
OR
Log In

You Might Also Like...

Show Comments

Extras

Top Quizzes Today


Score Distribution

Your Account Isn't Verified!

In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.