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 ___
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Lernkarten
To digest lactose the bacterial cells have to produce 3 enzymes:
The process of mRNA translation in prokaryotes finishes:
Which of the following DO NOT take place in the pre-mRNA molecule:
Which of the following statements are true about DNA?:
In eukaryotes, the process of mRNA translation occurs in:
RNA polymerase II catalyzes the synthesis of:
Which of the following best describes the arrangement of the strands in the DNA molecule?:
Translation is the process by which ………. Is synthesized from ………:
In a single nucleotide, the phosphate group is linked with:
The genetic code is degenerate because:
The sigma subunit of the RNA polymerase is involved in:
The enzyme involved in polypeptide chain formation is:
A functional molecule of mRNA consists of 99 codons. The number of amino acids present in the polypeptide chain synthesized on this mRNA is:
Solenoid is:
Enzyme that incorporates new nucleotides in the growing RNA …. Transcription is:
Which represents a similarity between DNA and RNA?:
Some tRNAs can recognize more than one codon because there complementation rule of base pairing between the anticodon …… position. This relaxation is called:
The neighboring nucleotides in one DNA strand are
Which of the following are not matched correctly?
Which of the following beat describes the base-pairing in DNA?
Which of the following lists the purine nitrogenous bases?
When Hershey and Chase differentially labeled the DNA and proteins of bacteriophages T2 and allowed them to infect bacteria, what did the viruses transfer to the bacterial cell?
In this diagram of the process of DNA replication at a replication fork, the black boxes labeled D and E are:
Prokaryotic release factors (RF) have the following functions during translation:
Tus protein (factor) is required in:
A nucleotide of the DNA contains:
In eukaryotes, which processes take place in the cytoplasm:
In prokaryotic mRNA, the ribosome binding site is called:
Enzyme that binds to DNA and unwinds the DNA strands during DNA replication is:
A specific region of DNA where RNA polymerase attaches at the beginning of transcription is:
A and B in the picture represent:
The lightly stained regions of chromosomes are called:
The process of DNA transcription refers to:
Trp operon is:
One important difference between DNA replication in prokaryotes and eukaryotes is that:
During initiation of translation
Finish the sentence: Nucleosomes are packed together with the aid of …
Eukaryotic RNA polymerase III synthesizes:
Which of the following DO NOT take place during the so-called ”processing” of pre-mRNA molecule:
The DNA structure can be described as a twisted ladder. Imagine you are climbing a model of DNA, just as if you were climbing a ladder. What part of the DNA molecule are your feet touching as you climb?
