My attempt:

Transcription - RNA polymerase Translation - aminoacyl tRNAsynthetase

I know that the ribosome almost runs translation, but I don'tthink ribosomes are enzymes, which is why I went with aminoacyltRNA synthetase. Is this right?

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Jarrod RobelLv2

9 Mar 2018

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Related questions

What are some of the longterm consequences of a mutation in the aminoacyl tRNA synthetase?

What end of the transfer RNA has the amino acid associated with it?

What is the importance of the leader sequence in the messenger RNA? What does the leader sequence do regarding translation? What is itâs role in transcription after the RNA has been created

What is the alternative name for charging the amino acid? What does this name signify?

Is the entire mRNA used to create a polypeptide? Why or why not?

3. Describe the aminoacylation of a tRNA reaction being careful to include information about how one particular amino acid is attached to a particular tRNA.

4. All of the following steps are part of the process of gene expression in eukaryotes. Number them toreflect the approximate order in which each occurs during this process.
a) Introns are removed from the original transcript of the gene.

b) A 5â cap is added onto the mRNA.

c) A specific aminoacyl-tRNA synthetase charges Val-tRNA.

d) Val-tRNA enters the A site of the ribosome.

e) The mRNA is cleaved near the poly(A) site in its 3â UTR.

f) A translation release factor binds to the stop codon.

g) RNA polymerase II initiates mRNA synthesis

h) The mRNA is transported out of the nucleus into the cytoplasm.

i) An activator protein binds to an enhancer.

Gene ExpressionQuestions

Question 1

#1) Match the following reactions to the correct step of proteinsynthesis by ribosomes.

___ Hydrolysis of GTP and disassembly of the translationcomplex.

___ binding of initiator aminoacyl-tRNA

___ formation of the peptide bond

___ translocation of ribosome

___ Use of 2 mole-equivalents of ATP and attachment of an aminoacid to a transfer RNA molecule

Answer Choices for Number #1
A. initiation step
B. elongation step
C. termination step
D. aminoacyl-tRNA synthetase reaction

Question 2

#2) Mark which of the following are needed for the synthesis ofRNA by RNA polymerase:

___ primer

___ ATP, CTP, GTP, UTP

___ dATP, dCTP, dGTP, dTTP

___ template

Question 3

#3) Mark which of the following are properties of a bacteria(prokaryotic) messenger RNA:

___		It has a cap at the 5'-end.
___		It has a poly-A tail at the 3'-end.
___		It has a 5'-untranslated region (UTR).
___		It has a 3'-untranslated (UTR) region.

Question 4

#4) Match the following RNA molecules to their respectivefunctions in the cell.

___ transfer RNA

___ ribosomal RNA

___ messenger RNA

___ small nuclear RNA (snRNA)

Answer Choices for Number #4

A. This RNA serves as the template for protein synthesis.
B. This molecule is a molecular component of ribosomes.
C. This molecule is a component of spliceosomes and serves torecognize the exon-intron junctions
D. This RNA molecule is delivers the amino acid to the ribosome andit recognizes the appropriate codons with its anticodon loop.