rRNA evidence for the three domains

Biologia IBPaper 1A, maj 2026, TZ3wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 22

Which tree represents the three-domain classification supported by ribosomal RNA comparisons? A. Tree A B. Tree B C. Tree C D. Tree D

• Materiał graficzny

Biologia IBPaper 1A, maj 2025, TZ2wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 22

Which molecular comparison was central to distinguishing Bacteria, Archaea and Eukarya as major domains? A. Measuring the concentration of messenger RNA in growing cultures B. Counting the amino acids in one dietary protein C. Comparing the colours of membrane…

Biologia IBPaper 2, listopad 2025, TZ1wzorowane2 pktotwarteśrednie (szac.)

Zadanie 5d

Identify the missing domain and the rank immediately above genus.

Biologia IBPaper 1A, listopad 2025, TZ3wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 21

Which molecular comparisons were central to recognition of the three cellular domains? A. Ribosomal RNA sequences B. Mitochondrial genes in bacteria C. Haemoglobin sequences from all organisms D. Cellulose sequences

Biologia IBPaper 1, maj 2023, TZ1wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 17

A model compares ribosomal RNA sequence similarity in six organisms. Higher values mean greater similarity. Which pair is most consistent with membership of the same domain? Pair | Similarity coefficient R and S | 0.86 T and U | 0.89 V and W | 0.84 R and T |…