BIO 101 | DNA quiz 10.

A set of triplet bases that is complementary to a codon triplet on mRNA

An anticodon is ______.

The information for making a polypeptide

A gene is usually ______.

DNA template.

Considering only the steps that take place during translation, which of the following is not needed in order for translation to occur?

mRNA is synthesized on only one of the strands

During the transcription of a given portion of a DNA molecule, _____.

sulfur

Hershey and Chase were able to differentiate between proteins and nucleic acids using radioactive atoms of elements found only in those macromolecules. Which of the following would be found only in proteins?

the ratio of A to T is close to 1:1 and the ratio of G to C is close to 1:1

If you analyzed the nucleotide content of DNA, you would expect to find that __________.

Translation in eukaryotes cannot occur until the RNA leaves the nucleus, whereas in prokaryotes both transcription and translation occur in the cytoplasm.

In eukaryotes, translation is initiated only after transcription is completed. However, prokaryotes can initiate translation before a gene is completely transcribed. Which choice is the best explanation for this observation?

A specific nucleotide sequence in DNA that signals the RNA polymerase to stop.

In eukaryotic cells, a terminator in mRNA synthesis is _____.

codon recognition → peptide bond formation → translocation → termination

Sequence of events in translation.

holds the growing polypeptide chain

Shown in the figure is a ribosome in the process of translation. The P site of a ribosome _____.

Adenine | guanine | cytosine | thymine

The four bases contained in DNA are _____.

Nucleotides.

The monomers of DNA and RNA are

GUA

The nucleotide sequence of a DNA codon is GTA. A messenger RNA molecule with a complementary codon is transcribed from the DNA. In the process of protein synthesis, a tRNA pairs with the mRNA codon. What is the nucleotide sequence of the tRNA anticodon?

AUG | UAA | UAG | UGA

The start codon during translation is ________, and the stop codons are ___, ___, ___

Transcription.

The transfer of genetic information from DNA to RNA is called

Leu - Ala - Arg - Tyr - Leu

Using the genetic code table, what protein sequence does the RNA sequence CUAGCUCGAUAUCUC code for?

CGAUCGCUACUG

What is the transcription product of the sequence GCTAGCGATGAC?

Only the DNA

When a T2 bacteriophage infects an Escherichia coli cell, which part of the phage enters the bacterial cytoplasm?

In the cytoplasm.

Where do transcription and translation occur in prokaryotic cells?

DNA polymerase.

Which of the following enzymes catalyzes the synthesis of a new DNA strand?

Ribose sugar.

Which of the following is found in RNA but not in DNA?

Its strands have a sugar-phosphate backbone.

Which of the following is true about double-stranded DNA?

Initiation of a new RNA molecule

Which of the following occurs when RNA polymerase attaches to the promoter DNA?

Translation

Which of the following processes takes place in the cytoplasm?

The start codoncan be different depending on what kind of protein is to be translated.

Which of the following statements is false?

Transcription occurs in the cytoplasm of eukaryotic cells.

Which of the following statements regarding the flow of genetic information is false?

The conversion of genetic information from the language of nucleic acids to the language of proteins

Which of the following takes place during translation?

RNA uses the sugar dextrose.

Which of the statement regarding RNA is false?