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Flashcards
The transcribing enzyme is:
Transcription occurs along a ........................... template strand forming an mRNA molecule in the ..................direction
To begin DNA replication in prokaryotes, what protein first binds to DNA
DNA contains:
Enzyme that adds complementary nucleotides to the growing DNA starnd during replication is:
Transcription and translation of a gene composed of 60 nucleotides would form a protein containing no more than .....amino acids
Reverse transcription is the process in some viruses by which..... synthesized from
Core particle of a nucleosome consists of:
Which of the following is true about ribosomes?
The promoter gene of an operon:
The main 3 types of RNA studied in this course:
If a DNA molecule is found to be composed of 40% thymine, what percentage of adenine would be expected.
RF1, RF2 and RF3 factors are involved in:
The genetic code is umambiguous because:
Protein called Rho is required during:
The elongation of a polypeptide chain continues until:
The enzyme abbreviated EF-Tu is involved in:
The sequence of DNA 3´- ACCGTTACC-5´would be transcribed as follows:
Which of the operons works by using an inducer to bind to the repressor protein and remove it, thus allowing transcription of structural genes?
In a single nucleotide, the phosphate group is linked with:
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
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
