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AP Biology Ch 14 Basics (Before Translation) Flashcards | StudBud
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AP Biology Ch 14 Basics (Before Translation)
AP Biology Ch 14 Basics (Before Translation)
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Ch 14 on Transcription
Flashcards
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Questions
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Answers
1
The end product of transcription is ________ while the end product of translation is ________
mRNA; identical DNA molecule
mRNA; protein
protein; mRNA
Identical DNA molecule; mRNA
2
If a DNA codon is GGG mRNA is ______ and it codes for the amino acid ______.
CCC: Pro
GGG; Gly
CGC; Arg
GCG; Ala
3
One difference between DNA & RNA is
DNA cannot leave the nucleus; RNA can
DNA = Uracil; RNA = Thymine
DNA = single stranded; RNA = double stranded
DNA = deoxyribose sugar; RNA = ribose sugar
4
A spliceosome cuts out ______ of the pre mRNA in a Eukaryote because it is not expressed
Introns
Exits
In betweens
Exons
5
The proteins needed to form the Transcription Initiation Complex are called
Helicase
Translation Factors
Transcription Factors
Topoisomerase
6
How many codons would you find in 36 amino acids?
12
36
4
3
7
The three steps of transcription are...
Start, Elongation, End
Initiation, Creation, Ending
Elongation, Termination, Initiation
Initiation, Elongation, Termination
8
Prokaryotes
edit mRNA by removing introns
perform transcription and translation in the cytoplasm
don't have ribosomes, and thus do not make proteins
Do not alter their mRNA
9
Name a way mRNA differs in Eukaryotes vs. Prokaryotes
Euk's mRNA have the ends altered
Euk's mRNA have a 5' cap
Euk's mRNA is shorter
Euk's mRNA has a 3' poly A tail
10
How many nucleotides would you find in 4 amino acids?
3
36
12
4
11
If a DNA codon is TAG mRNA is ______ and it codes for the amino acid ______.
UAC: Tyr
UAG; Stop
AUC; Ile
ATC; Ile
12
Transcribe the following: C A T C A T C A T
R A T A T A T
G U T G U T G U T
G U A G U A G U A
C A T C A T C A T
13
12 amino acids = ____ codons
36
12
4
3
14
RNA Polymerase II adds RNA nucleotides in the ____________ direction
it adds RNA nucleotides?
3' --> 5'
5' --> 3'
five prime to three prime
15
One difference between RNA Polymerase and DNA Polymerase is...
RNA Polymerase Does not need a primer to start
RNA Polymerase recognizes a promoter sequence to begin
RNA Pol can unwind and unzip the DNA template, DNA Pol can't
RNA Pol adds RNA nucleotides; DNA Pol adds DNA nucleotides
16
Transcription takes place in the ______ while translation takes place in the _______
Ribosome; Cytoplasm
Cytoplasm; Ribosome
Nucleus; Ribosome
Ribosome; Nucleus
