Molecular Genetics
Molecular Genetics / Nucleic acids / DNA replication&transcription / Genetic code / mRNA translation
Molecular Genetics / Nucleic acids / DNA replication&transcription / Genetic code / mRNA translation
What is the name of the enzyme responsible for ….. the DNA molecule for replication
Which of the following are correctly associated:
The enzyme called peptidyl transferase catalyzes the formation of:
Indicate the correct stages of chromatin condensation:
The genetic code is commaless because:
A, B, C and D in the picture represent
…. DNA transcription occurs in:
The enzyme catalysing the attachment of an amino acids to the tRNAs …:
In the picture below arrows number 1 indicate template strands the other number are:
At which position of the deoxyribose ring is the nitrogenous base attached:
C4: phosphate group
ATTThe triplet base sequence in DNA template strand that is translated into a stop codon is:
The lac repressor protein binds to the operator region:
Which of the following are not correctly associated:
The result of the transcription process is:
Which of the following statements is true:
The operator gene of the lac operon:
RNA molecule is:
The other name of the prokaryotic elongation factor EF-G:
The enzyme of RNA polymerase participates in which process?:
The genetic code is non-overlapping because:
RNA is
Where are proteins synthesized in a eukaryotic cell?
The codons UAA, UAG and UGA all code for
With the exception of tryptophan and methionine, each amino acidis coded for by more than one codon. Therefore the genetic code is called
Anticodon is found on:
The entire genetic code consists of ___ amino acids and ___ codons
Which compunds are bonded together to make polypeptides?
Meselson and Stahl proved that
In Prokaryotes DNA transcription occurs in
At the beginning of the DNA transcription, RNA polymerase binds to
The longest molecule in our cells are
Which of the following statements is true about the protein synthesis process?
The elongation of a polypeptide chain continues until
Lactose operon is an example of
Transcription occurs along a (1) template strand forming an mRNA molecule in the (2) direction
(1) 3' to 5' ; (2) 5' to 3'
The process in which ribosomes are involved is
During translation, the ___ site within the ribosome holds the growing amino acid chain while the ... site holds the next amino acid to be added to the chain
Reverse transcription is the process in some viruses by which ___ is synthesized from ___
How does the presence of lactose cause the lac operon to be transcribed?
Okazaki fragments occur on the ___ and are bonded together by ___
-
- 1 / 180
-
Cartes-fiches
RNA is
Where are proteins synthesized in a eukaryotic cell?
The codons UAA, UAG and UGA all code for
With the exception of tryptophan and methionine, each amino acidis coded for by more than one codon. Therefore the genetic code is called
Anticodon is found on:
The entire genetic code consists of ___ amino acids and ___ codons
Which compunds are bonded together to make polypeptides?
Meselson and Stahl proved that
In Prokaryotes DNA transcription occurs in
At the beginning of the DNA transcription, RNA polymerase binds to
The longest molecule in our cells are
Which of the following statements is true about the protein synthesis process?
The elongation of a polypeptide chain continues until
Lactose operon is an example of
Transcription occurs along a (1) template strand forming an mRNA molecule in the (2) direction
(1) 3' to 5' ; (2) 5' to 3'
The process in which ribosomes are involved is
During translation, the ___ site within the ribosome holds the growing amino acid chain while the ... site holds the next amino acid to be added to the chain
Reverse transcription is the process in some viruses by which ___ is synthesized from ___
How does the presence of lactose cause the lac operon to be transcribed?
Okazaki fragments occur on the ___ and are bonded together by ___
The two men who established the double-stranded structure of the DNA
Which of the following codons cannot be recognized by a tRNA molecule?
The two-dimensional structure of tRNA resembles a(n):
Which of the molecules are involved in the initiation of translation in prokaryotes?
Amino acids are carried to the site of protein synthesis by
What are the two basic types of ribosomes?
The function of tRNA is to
Translation is when
Transcription and translation of a gene compsed of 60 nucleotides would form a protein containing no more than ___ amino acids
DNA helicase is involved during the process of
So called "core particle" of the nucleosome consits of 145-147 bp of DNA wrapped around
What compunds are bonded together to make polypepties?
How many codons encoding amino acids are there?
Where are the proteins synthesized in a cell?
Prokaryotes and eukaryotes use several methods to regulate gene expression, but the most common method is
A(n) ... is a piece of DNA with a group of genes that are transcribed together as a unit
What effect would the addition of lactose have on a repressed lac operon?
Eukaryotic RNA polymerase II synthesizes
A type of DNA sequence that is located far from a gene but can promote its expression is a(n)?
Assembly of basal transcription factors begins at the ________ sequence in the promoter.
