4303483
Beschreibung
Quiz von gyorgycrack, aktualisiert more than 1 year ago
|
Erstellt von gyorgycrack
vor fast 9 Jahre
|
|
Frage 1
Frage
Which of these are substrates of transcription of DNA?
Antworten
-
ATP, CTP, GTP and UTP
-
AMP, CMP, GMP and UMP
-
ATP, CTP, GTP and TTP
-
AMP, CMP, GMP and TMP
-
None of these
Frage 2
Frage
What is able to do the enzyme RNA polymerase II?
Antworten
-
1.) Unwind the helix of DNA
-
2.) Catalyze the synthesis of one molecule of DNA
-
3.) Correct and error in the transcription
-
1.) and 2.) are true
-
All are true
Frage 3
Frage
What is a transcription factor?
Antworten
-
A protein that will bind to DNA and RNA polymerase
-
A region in DNA sequence that will indicate where is the start of transcription
-
A region in DNA sequence that will indicate where is the end of transcription
-
A molecule that will induce the formation of what is called "bubble of transcription"
-
One enzyme that is necessary to phosphorylate RNA polymerase
Frage 4
Frage
RNA polymerase will be phosphorylated just after the "bubble of transcription" is formed
Antworten
- True
- False
Frage 5
Frage
Which of these statements is not true?
Antworten
-
5' capping consists in introduce a protection in the end of the non-mature RNA to avoid the degradation of DNA
-
An AAA (An) tail (Non-coding end sequence) is introduced to eliminate some sequence introduced in the intron
-
After RNA molecule is finished, there is going to be introduced a polyadenyl tail in the 5' end
-
The intron of DNA will be cut by a process called splicing
-
One exon is the area of the sequence of DNA that is transcripted and translated
Frage 6
Frage
Which codon indicate when the sequence starts?
Antworten
-
UUA
-
UGA
-
CCG
-
AGA
-
AUG
Frage 7
Frage
How many possible reading frames exist?
Antworten
-
1
-
2
-
3
-
4
-
5
Frage 8
Frage
During initiation of translation...
Antworten
-
mRNA is going to bind to the small ribosomal subunit
-
mRNA is going to bind to the large ribosomal subunit
-
An amino acid enters in the Site A of the ribosome
-
Methionine is placed in the Site E of the ribosome
-
An amino acid linked to a tRNA enters to the Site P of the ribosome
Frage 9
Frage
During elongation, the second amino acid in the protein will enter in the Site A of the ribosome linked to a tRNA
Antworten
- True
- False
Frage 10
Frage
If a molecule of insulin is synthesized, what does it lose when it reach the place where is needed?
Antworten
-
Methionine
-
Signal peptide
-
A fragment of the sequence, because a fragmentation is done
-
Its inicial n-dimensional shape (a refolding of the protein is made)
-
Any of these
Frage 11
Frage
Which is the name of the molecules that refold proteins?
Antworten
-
Chaperons
-
Aggregates
-
Folders
-
Cleavage factors
-
Refolding factors
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.