For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.
__________ Archaea are classified into phyla based primarily on tRNA sequences.

검증된 단계별 안내

Understand the classification basis for Archaea: Archaea are a domain of single-celled microorganisms distinct from Bacteria and Eukarya.

Recall that Archaea classification is primarily based on molecular data, especially sequences of ribosomal RNA (rRNA), not tRNA.

Identify the underlined word(s) in the statement: 'tRNA sequences' are underlined and need to be evaluated for correctness.

Determine the correct term to replace 'tRNA sequences' with: The correct term is 'rRNA sequences' because ribosomal RNA sequences are widely used for phylogenetic classification.

Rewrite the statement with the correction: 'Archaea are classified into phyla based primarily on rRNA sequences.' This makes the statement true.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Archaeal Classification

Archaea are a domain of single-celled microorganisms distinct from bacteria and eukaryotes. Their classification is based on genetic and molecular characteristics rather than traditional morphology, reflecting evolutionary relationships.

Molecular Phylogenetics

Molecular phylogenetics uses genetic sequences, such as ribosomal RNA (rRNA), to determine evolutionary relationships among organisms. In Archaea, 16S rRNA sequences are commonly used to classify and differentiate species and phyla.

tRNA vs. rRNA in Microbial Classification

While tRNA molecules play roles in protein synthesis, they are not typically used for phylogenetic classification. Instead, rRNA genes, especially 16S rRNA, provide conserved and variable regions ideal for studying evolutionary relationships in microbes.

For each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.__________ Archaea are classified into phyla based primarily on tRNA sequences.