DNA Structure/Replication
Adenine pairs with what base?
Thymine
What is the final product of protein synthesis?
A Protein!
What is a mutation?
A change in the DNA sequence
Uracil replaces what base in mRNA
Thymine
Bases are read in triplets, called a __________
Codon
What base pairs with Guanine?
Cytosine
What is the first step of protein synthesis?
Transcription
What point mutation is modeled below:
THE FOX ATE THE BAT
THE FOX SAT ETH EBA
Addition
How many daughter cells are created through mitosis?
2
Translation begins with a ____________ codon.
Start
What enzyme unzips DNA for replication?
Helicase
mRNA is also known as the __________
messanger
What type of point mutation causes sickle cell anemia?
Substitution
Which process creates non identical daughter cells and increases variety?
Meiosis
Transcribe the following DNA strand into mRNA:
TAC - GGC - TAT
AUG - CCG - AUA
What are the 3 parts of the DNA structure?
Sugar (deoxyribose)
Base ( A,T,C,G)
Phosphate
What is the job of tRNA?
To bring over amino acids to link and form a protein.
What is it called when two segments from different chromosomes change positions.
Translocation
What enzyme lays the complementary bases during replication and also has a proofreading function?
DNA Polymerase
In the RNA strand, during protein synthesis, the __________ is replaced with Uracil.
Thymine
During what phase of the cell cycle does DNA replication occur?
Interphase
Where does translation occur in the cell?
At a ribosome
What type of mutation is when a segment of DNA is flipped and then reattached to the same chromosome
Inversion
Where does transcription occur in the cell?
Nucleus
Stop Codon