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Molecular Biology Section 17.4

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Questions and Answers

What is the role of RNA in ribosomes?

RNA is responsible for transporting amino acids.

RNA provides energy for protein synthesis.

RNA acts as a structural component of ribosomes. (correct)

RNA serves as the primary genetic material in cells.

Why are conservative regions in RNA useful for studying distantly related species?

They remain unchanged despite environmental changes.

They are exclusive to closely related species.

They enhance genetic diversity among species.

They accumulate mutations at a slower rate. (correct)

Which of the following domains consists of organisms that can survive extreme environments?

Bacteria

Animalia

Archaea (correct)

Eukarya

Which kingdom includes multicellular organisms that are typically autotrophic?

Plantae Signup and view all the answers

Which of the following statements is accurate regarding the domains and kingdoms of living organisms?

Fungi exclusively belong to the Eukarya domain. Signup and view all the answers

What is the first part of a scientific name in binomial nomenclature called?

Genus Signup and view all the answers

Which statement is correct regarding the formatting of scientific names?

Both parts are italicized with the genus in upper case. Signup and view all the answers

What does the species part of a scientific name represent?

A single type of organism Signup and view all the answers

Which of the following statements about binomial nomenclature is true?

It was developed in the 18th century. Signup and view all the answers

Why is binomial nomenclature important in biology?

It provides a universal language for scientists worldwide. Signup and view all the answers

Study Notes

Section 17.4

RNA in ribosomes is useful in studying evolutionary relationships, because RNA sequences are very conservative, meaning they change slowly.
rRNA is useful studying relationships because it is highly conserved, it is found in all organisms.

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Description

Explore the significance of RNA, particularly rRNA, in understanding evolutionary relationships among organisms. This quiz delves into the concept of conservation in RNA sequences and their implications for molecular studies.