DNA Replication
Which enzyme unwinds the DNA?
Helicase
What does translation synthesize?
Protien
what is adenine changed to when translated into its complementary RNA strand
Uracil
What mutation has the least affect on the cell
A silent mutation (no change in amino acid sequence.)
Double helix
What direction do the primes go for the leading strand?
5’ to 3’
Does translation turn exon into amino acids (True or false)
false
DNA replication is considered to be a conservative replication (true or false)
false (semi conservative replication)
what mutation is repeated twice in DNA
Duplication
What are the nucleotides that make up RNA
Adenine, guanine, cytosine, uracil,
What keeps hydrogen bonds from forming between lagging , and leading strand?
Single stranded binding protein
what acts as signals for the initiation of transcription in eukaryotic cells
The tata box
where Does DNA replicate in eukaryotic cells.
DNA replicates in the nucleus
What DNA mutation affects all the following codons For a certain DNA strand
A frame shift mutation
What is the final form of RNA that leaves the nucleus.
mRNA
What does DNA polymerase one do?
Removes short DNA primers
what two things make up ribosomes
rRNA and robosomal proteins
What parts make the transcription intonation complex
What enzyme fixes errors in DNA.
DNA polymerase 2
What DNA a strand is transcribed to RNA.
Template stand (aso called antisense strand or noncoding strand).
If the strand of the DNA goes 3’ to 5’, will it create okazaki fragments?
Yes
What tells the ribosomes the proper orientation of a mRNA.
Poly a tail and the G-cap (7methylguanosine)
What is small nuclear ribonucleico protein do in transcription
it splices RNA
What mutation can cause down syndrome In humans.
Non disjunction (failure for chromosomes to separate properly during cell division.
What is the purpose of a codon chart
To decode mRNA into sequence Of amino acids.