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2.6/2.7 DNA STRUCTURE/REPLICATION Flashcards | StudBud
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2.6/2.7 DNA STRUCTURE/REPLICATION
2.6/2.7 DNA STRUCTURE/REPLICATION
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DO You know the basics of DNA Structure (2.6)? #biology #ib #dna
Flashcards
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Questions
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Answers
1
What are Okazaki Fragments?
Small lengths of DNA
BASES
a group of islands in the pacific
proteins
2
What is the backbone of DNA ?
Sugar / Covalent Bonds
Phosphate
Sugar / Phosphate
The covenant
3
What do Nucleotides In
DNA
contain?
Covalent Bonds
Binding sites
Sugar (Unspecified)
Phosphate
4
What does Uracil replace?
G
A
C
T
5
Who provided strong evidence for the semi (X) of DNA? X = Conservative, Dispercive, Urasive, Ao
Meselson and Stahl
Victor Frankenstein
Alexander Flemming
Rosalind Franklin
6
What are bases held together by?
Hydrogen-Uforic bonds
Hydrogen bonds
Hydrogan Bonds
Hydrogen Bondage
7
What does DNA Ligase Do?
Separates the DNA into two separate strands
Removes the RNA Primase, and replaces it with DNA
Joins Lagging strand together
Add's a DNA Primer
8
RNA? What is it?
RhinoNucleicAcid
GOOGLE IT!
RiboNuclaicacid
RNA
9
WHAT IS TRANSCRIPTION?
THE MAKING OF Protein
THE MAKING OF HUMAN BABIES
THE MAKING OF mRNA
THE MAKING OF tRNA
10
WHERE DOES TRANSLATION OCCURE?
NUCLEUS
MITOCHONDRIA
RIBOSOMES
RER
11
Which of these is a
Pyramidine
?
Melanine
Uracil
Guanine
Adenine
12
What is Complementary base pairing?
Purine + Purine fit together
Adenine + Pyrimidine
Pyrimidine + Pyrimidine
Purine + Pyrimidine fit together
13
WHAT DIRECTION IS DNA STRUCTURED IN?
I DON'T KNOW!
5' - 1'
3' - 5'
5' - 3'
14
How is DNA structured (2)
Antiparallel strands
diagonally
Give me a break
Parallel Strands
15
What splits the DNA?
Helixaze
Helicaze
Helixase
Helicase
16
What are Nucleotides comprised of?
Phosphate, Sugar, Enzyme
Binding Site, Deoxyribose, Base
Phosphates, Lipids, Sugar
Phosphate, Deoxyribose, Base
17
WHAT IS DNA?
SEMI-CONSERVATIVE
DISPERSIVE
SEMI-DISPERSIVE
CONSERVATIVE
18
What do the Purines consist of?
A,T
A,G
A,U
T,C
19
How many strands are there in RNA?
4
3
1
2