1. An mRNA with an internal ribosome entry site can undergo 5' cap-independent translation.

a.True

b. False

2. Which ER membrane protein acts as an endoribonuclease?

a. PERK

b. BiP

c. XBP1

d. IRE1

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Beverley SmithLv2

13 May 2019

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Related questions

#1 Which of the following must occur when a position on the ER isnot available for a ribosome, which is translating a secretoryprotein

A The ribosome will temporarily dock on the smooth ER
B The ribosome will disassemble until there is an availableposition
C The ribosime will undergo translational arrest
D The ribosome will complete the synthesis of the protein and dropit into the cytosol as a domesticated protein

#2 N-glycosylation occurs in which organelle?

A RER
B SER
C Golgi Apparatus
D All of the above

#3 A protein with two stop-transfer sequences along with aLys-Lys-Met-Ser sequence will end up where in the cell?

A Plasma Membrane
B ER Membrane
C The ER lumen
D The lysosome

#4 Which does NOT happen during co-translation of secretoryproteins?

A Cleaving of protein
B Glycosylation of proteins
C Trimming of protein
D Protein folding

#5 Which is the CORRECT order the translational complexforms?

A mRNA---> large ribosome ---> small ribosome --->tRNA
B Large ribosome ---> mRNA ---> small ribosome --->tRNA
C Small ribosome ---> large ribosome ---> mRNA --->tRNA
D mRNA ---> small ribosome ---> large ribosome --->tRNA

#6 Which component of the cytoskeleton consist of rope-likefibrills that provides the cell mechanical strength when subjectedto physical stress, including neurons, muscle cells, and theepithelial cells that line the body's cavities?

A Microtubules
B Microfiliaments
C Intermediate Filiaments
D Lamins

#7 What type of glycosylation occurs in the Golgi?

A Glycosylation of Asparagine
B Glycosylation of Serine
C Glycosylationof Asp and Ser
D Glycosylation of Nucleic Acids

#8 Ebony was examining a cell's organelle which was almost as largeas the cell. She discovered that the pH was 4.6. Which of thefollowing organelles was she studying?

A Nucleus
B Endosome
C Vacuole
D Lysosome

#9 Which is NOT a function of the smooth ER?

A Synthesis of carcinogens
B Synthesis of lipids, carbohydrates, and nucleic acids
C Detoxification
D Release of calcium and glucose

#10 Which signal sequence is NOT part of the final protein?

A Glycosylation
B Stop-transfer
C Leader sequence
D ER retention

#12 Detoxification of charred foods oftentimes form carcinogensfrom:

A acid hydrolases
B benoapadines
C benzopyrenes
D free radicals

1. The extended polypeptide chain occurs in the E site in the ribosome

True

False

2. In Prokaryotic translation which of the following occurs:

		a) the 50S ribosome joins with the 60S initiation complex to allow for initiation
		b) The AUG is identified by being 20 nucleotides downstream of the shine-dalgarno sequence
		c) GTP is hydrolyzed as initiation factors are released
		d) A 45S initiation complex is formed by numerous factors, including mRNA

tanhornet221

Match the following:

1	Region which lies upstream of thetranslation start site contains the Shine Dalgarno sequence
2	Sequence added to the 3' end of thepre-mRNA which affects mRNA stability
3	Establishes the reading frame andspecifies the first amino acid of the protein chain
4	DNA sequence that the transcriptionapparatus recognizes and binds to initiate transcription
5	Expressed sequences of DNA that arenot removed during alternative splicing
6	Signals the end of translation andthe protein molecule
7	Group of three nucleotides that codefor an amino acid
8	Site begins the coding region of thegene and is located 25-30 nucleotides downstream of the TATAbox
9	Non-coding sequences of DNA thatintervene within coding regions of a gene
	10 Ribosome binding site ineukaryotes; functions in the initiation of translation and mRNAstability
11	A sequence which lies downstream ofthe coding region of the gene; determines the location of the 3'cleavage site in the pre-mRNA molecule
12	Sequence of nucleotides at the 3' endof the mRNA that is not translated into protein; affects thetranslation and stability of the mRNA molecule

A.	5' untranslated region
B.	AAUAAA consensus sequence
C.	Promoter
D.	Transcription start site
E.	3' untranslated region
F.	Introns
G.	Initiation codon (AUG)
H.	Poly(A) tail
I.	5' cap
J.	Termination codon (UAA, UGA, UAG)
K.	Exons
L.	Sense codon