Bacterial Ribosomes and Translation Complexes

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How many ribosomes are estimated to be present in each bacterial cell?

10,000

40,000

30,000

20,000 (correct)

What type of mRNA directs the synthesis of a single kind of polypeptide?

Polycistronic mRNA

Capped mRNA

Operonic mRNA

Monocistronic mRNA (correct)

What is the process by which ribosomes begin translating mRNAs that have not yet been completed in bacteria?

Transcription

Capping

Translation

Coupling of transcription and translation (correct)

Which of the following is NOT a level of protein structure?

Quinary Signup and view all the answers

What is added at the 3' end of mRNA in eukaryotes?

Poly-A tail Signup and view all the answers

Which of the following is the process by which a bond is formed between the carboxyl group of one amino acid and the amino group of another?

Dehydration (condensation) reaction Signup and view all the answers

What is the name of the structure formed when multiple ribosomes are actively translating the same mRNA?

Polyribosome Signup and view all the answers

What type of RNA is produced by groups of bacterial and archaeal genes called operons?

Polycistronic mRNA Signup and view all the answers

What is added at the 5' end of mRNA in eukaryotes during maturation?

7-methylguanosine residue Signup and view all the answers

What is the process by which ribosomes are not free-floating in eukaryotes?

Association with endoplasmic reticulum Signup and view all the answers

Bacterial Ribosomes and Translation Complexes

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Questions and Answers

How many ribosomes are estimated to be present in each bacterial cell?

What type of mRNA directs the synthesis of a single kind of polypeptide?

What is the process by which ribosomes begin translating mRNAs that have not yet been completed in bacteria?

Which of the following is NOT a level of protein structure?

What is added at the 3' end of mRNA in eukaryotes?

Which of the following is the process by which a bond is formed between the carboxyl group of one amino acid and the amino group of another?

What is the name of the structure formed when multiple ribosomes are actively translating the same mRNA?

What type of RNA is produced by groups of bacterial and archaeal genes called operons?

What is added at the 5' end of mRNA in eukaryotes during maturation?

What is the process by which ribosomes are not free-floating in eukaryotes?

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