DNA Replication/Transcription
Translation
Mutations
The Cell Cycle
Misc
100
First, the enzyme _______ separates the two strands at specific regions called ____________
What is helicase origins of replication
100
3 bases together make up a
What is codon
100
A change in an organism’s DNA sequence is called a
What is mutation
100
prokaryotes divide by
What is binary fission
100
what are the 3 steps of transcription
What is Initiation Elongation Termination
200
DNA replication is ____________: each original strand serves as a template for a new strand
What is semi conservative
200
links the info in the mRNA codons with their specific amino acids
What is tRNA
200
the number of mutational events in a given gene per generation
What is mutation rate
200
what are the purposes of cell division, name all 4
What is Growth of the organism Cell replacement Wound healing Reproduction
200
what is the end result of DNA replication
What is 2 identical strands of DNA
300
what are the 3 types of RNA?
What is tRNA, mRNA, and rRNA
300
Once the tRNA delivers the correct amino acid, the _________ catalyzes peptide bond formation
What is ribosome
300
what is an example of a substitution mutation?
What is sickle cell anemia
300
what are the requirements of cell division
What is 1) Reproductive signal 2) DNA replication 3) Segregation 4) Cytokinesis
300
these 3 phases make up interphase
What is G1, S, G2
400
what are the 3 mRNA modifications?
What is intron splicing, 5' cap and 3' poly-a-tail
400
After translation, the polypeptide (chain of amino acids) must fold into the correct ________________
What is 3D Shape
400
when two T bases bonded to each other, a result of a physical mutation
What is thymine dimers
400
The __________ of the two chromosomes direct movement to opposite ends of the cell
What are ori regions
400
When a cell is not actively dividing, it is in __________
What is interphase
500
Special proteins called __________ bind to specific promoters and to the RNA polymerase
What is transcription factors
500
__________ are diseases caused by abnormal folding of proteins (prions) in the brain
What is Spongiform encephalopathies BSE/ mad cow disease Creutzfeld-Jacob disease; Kuru (human versions) Scrapie (sheep)
500
_________ (X-rays or gamma radiation) causes double-stranded breaks in the DNA, which can cause pieces of chromosomes to break off
What is ionizing radiation
500
the 2 copies made during S phase are called
What is sister chromatids
500
what is apoptosis
What is controlled cell death/suicide
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