RNA and Protein Synthesis Quiz

true or false The sugar found in RNA is called deoxyribose.

False Ribosome

true or false The job of mRNA is to pick up amino acids and transport them to the ribosomes.

False tRNA

true or false The DNA molecule is double stranded and the RNA molecule is single stranded.

True

true or false The process of translation occurs at the ribosome.

True

true or false Transcription must occur before translation may occur

True

One similarity between DNA and messenger RNA molecules is that they both contain

genetic codes based on sequences of bases

Which amino acid would be transferred to the position of codon CAC?

histdine

Which processes occur in the nucleus?

1 and 2

How many codons are needed to specify three amino acids?

3

The genetic code is based upon the reading of how many bases at a time?

3

What is the role of tRNA during translation?

Carry amino acids to the mRNA for correct placement into the protein chain

These strands of DNA molecule is: CCC ACG TCT

GGG UGC AGA

If a portion of a messenger RNA molecule contains the base sequence A-A-U, the corresponding transfer RNA base sequence is

U-U-A

If the DNA template reads "ATA", then which of the following would be the corresponding sequence on the mRNA?

UAU

What is the product of process 3?

a chain of amino acids

Which of the following is attached to the transfer RNA (tRNA)?

amino acid

Some events that take place during the synthesis of a specific protein are listed below.

b. DNA serves as a template for RNA production.a. e. RNA moves from the nucleus to the cytoplasm. a. Messenger RNA attaches to a ribosome. c. TransferRNAbondstoaspecificcodon. d. Amino acids are bonded together.

During the process of transcription, which of the following is produced?

mRNA

The codon is located on the

mRNA

Structure X was made in the

nucelus

Amino acids are held together by __?__ bonds.

peptide

Which of the following is not part of protein synthesis?

replication

The actual site of protein synthesis is the

ribosome

The process represented in the diagram is most closely associated with the cell organelle known as the

ribosome

Which defines a codon?

the genetic codeword of three bases on mRNA that specify one amino acid

Which of the following changes would be expected if a CAUUUG sequences of bases mutated to CACUUG?

the identity of one amino acid would change

Process 2 is known as

transcription

In the RNA molecule, which nitrogen base is found in place of thymine?

uracil