DNA STRUCTURE AND FUNCTION
DNA REPLICATION
TRANSCRIPTION
TRANSLATION
MISCELLANEOUS
100
Is DNA a double helix strand?
Yes
100
What is DNA replication?
The process of making copies of DNA.
100
What is transcription?
The production of mRna from DNA
100
What does mRNA do?
Carries genetic information from DNA to the ribosome.
100
DNA ACTGGTACAA
Change this to mRNA strand
UGACCAUGUU
200
DNA's function
Instruction needed an organism to develop, survive and reproduce
200
DNA replication must occur before ...?
(a) the Calvin cycle (b) a cell reproduces
(c) rubisco
b) cell reproduces
200
Transcribe this strand of DNA GAC TAA CTG
CUG AUU GAC
200
TAC GCA TCG AAC GCT TCA CCC TTT CTA GAC GCC ATC Translate this template DNA sequence to a mRNA sequence.
AUG CGU UGC UUG CGA AGU GGG AAA GAU CUG CGG UAG
200
What is helicase?
An enzyme that creates a replication fork by opening the two strands of DNA.
300
DNA is formed from two complementary strands of nucleotides held together by ______ _____.
Hydrogen Bonds
300
What is helicase?
An enzyme that creates a replication fork by "unzipping" two strands of DNA.
300
In mRNA what is thymine substituted for?
Uracil
300
What is translation?
When a mRNA message in the protein gets decoded.
300
What is ligase?
An enzyme that connects all fragments in the replication fork together to make a continuous copy.
400
Which bases are pyrimidines?
Cytosine and thymine
400
What is the only direction that DNA replication goes in?
a 5' - 3' direction.
400
What transcribes the DNA to produce mRNA?
RNA Polymerase
400
Whats AUG in an amino acid chain?
BE SPECIFIC
The start codon.
400
What is DNA polymerase?
An enzyme that's responsible for forming new copies of DNA.
500
DNA Contains Four Nitrogenous Bases What Are They?
Adenine, Thymine, Cytosine ,and Guanine
500
Replicate this strand of DNA: TAC GCA TCG AAC GCT TCA CCC TTT CTA GAC GCC ATC
ATG CGT AGC TTG CGA AGT GGG AAA GAT CTG CGG TAG
500
What are the three stages of transcription?
Initiation, elongation, and termination
500
What is the relationship between amino acids and mRNA codons called?
Genetic code.
500
Name the three steps of post transcriptional modifications of mRNA.
Capping, Splicing, and Polyadenylation.