Protein Synthesis

Question 1

What is the role of RNA polymerase?

Revolt · Accepted Answer

It helps transcribe the DNA strand.

Question 2

The diagram shows one step in the process of protein synthesis.Which step is shown?

Revolt · Accepted Answer

transcription

Question 3

Which nucleic acid provides the master code for protein synthesis?

Revolt · Accepted Answer

DNA

Question 4

Which is the purpose of transfer RNA?

Revolt · Accepted Answer

to bring amino acids to the ribosomes to be assembled into proteins

Question 5

Which nucleic acid moves the code for protein synthesis from the nucleus to the ribosomes?

Revolt · Accepted Answer

mRNA

Question 6

Which is composed of amino acids and determines all the structures and functions of organisms?

Revolt · Accepted Answer

protein

Question 7

Which molecule brings amino acids to the ribosomes to be assembled into proteins?

Revolt · Accepted Answer

tRNA

Question 8

Which organelle is the location where mRNA is translated into a protein?

Revolt · Accepted Answer

ribosomes

Question 9

Which occurs during translation?

Revolt · Accepted Answer

mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein.

Question 10

Only the proteins that the bacteria Escherichia coli (E. coli) needs are synthesized at any given time. For example, when lactose is available in the environment, E. coli will express the lac genes that allow it to break down lactose to obtain energy. When lactose is not present, these genes are not expressed.Which prevents the lac genes in the DNA of E. coli from being expressed most of the time?

Revolt · Accepted Answer

the lac repressor

Protein Synthesis Answers

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