DNA REPLICATION
Process where a cell copies its DNA
obviously DNA REPLICATION
Protein Synthesis actually begins in the _______________ when DNA transcribes into ___________.
nucleus, rna
what are the 4 nitro-bases of RNA
A,G,C,U
The process in which DNA is used to make an mRNA strand.
transcription
These three nitrogen bases are complimentary to the mRNA codons during translation.
ANTICODON
Adenine pairs with?
Guanine Pairs with?
thymine
cytosine
The copy created from transcription is ____________
m, t, r
Provide the missing information
DNA: CTA
mRNA:
GAU
A group of three bases on mRNA that determine a specific amino acid is called a ________
codon
enzyme responsible for breaking the H bonds between nucleotides during replication.
HELICASE
mRna goes where
ribosome
this type of RNA is found in ribosomes
DNA: CAT-GTA-CCG. What is the complementary mRNA strand from the DNA sequence?
GUA-CAU-GGC
This type of RNA transfers the appropriate amino acid.
Fragments formed on LAGGING strand
okazaki fragments
if theres 30 percent guanine then how much percent of Cytosine is also present?
30
An RNA strand is AUG-CUA-CCG. What would be the resulting tRNA anticodons?
UAC-GAU-GGC
Ribosomes read the mRNA strand _____ codon at a time. Each codon is made of ______ nitrogen bases.
1 and 3
This enzyme binds to the promotor site on the DNA strands and adds the complimentary bases to form the mRNA strand.
rna polymerase
this enzyme adds new nucleotides to growing strands
DNA polymerase
tRNA brings the correct _____________________ back to the ribosome.
amino acid
List 3 differences between a DNA & RNA molecule.
DNA is double stranded; RNA is single
N. Bases for DNA: A, C, G, T; RNA: A, U, C, G
DNA has a deoxyribose sugar; RNA: ribose sugar
DNA has the genetic code; RNA uses DNA to carry the message.
DNA can't leave the nucleus; RNA has to leave the nucleus
The secondary process of protein synthesis in which ___ is used to produce proteins is known as ______.
mRNA, translation
This is the bond that connects nitrogenous bases of DNA in the rungs of the ladder.
Hydrogen Bonds