Zadanie 2a
Draw and label the molecular components of one RNA nucleotide, showing how they connect.
Parts of a nucleotide
Identify the sugar, phosphate and nitrogenous base and represent their arrangement in a simple diagram.
Tę umiejętność sprawdza 9 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 9 Otwórz w wyszukiwarce z filtrami
Zadanie 5a
A barley cell copies and expresses its hereditary information. State the monomer from which DNA is assembled.
Zadanie 1d
(i) State one soil pH at which phosphorus deficiency is predicted. (ii) List two biologically important substances containing phosphorus.
- Materiał graficzny
Zadanie 4a
Draw and label a single DNA nucleotide.
Zadanie 7
Bacterial cells express genetic information, and inherited variation can affect survival during antibiotic treatment. (a) Draw and label a single RNA nucleotide. (b) Explain how RNA enables a polypeptide to be assembled during translation. (c) Outline how…
Zadanie 14
Chromosomes from a bacterium and a yeast are compared. Which feature can both have? A. A nucleus surrounding every individual chromosome B. Identical numbers of centromeres C. A requirement that every chromosome occur in a homologous pair D. DNA containing…
Zadanie 7
Inheritance and cell division contribute to biological variation. (a) Draw and label one RNA nucleotide. (b) Distinguish mitosis from meiosis. (c) Explain how natural selection can produce antibiotic resistance in a bacterial population.
Zadanie 9
A DNA molecule contains 360 guanine nucleotides, which are 30% of all its nucleotides. Assuming one phosphate per nucleotide, how many phosphate groups does it contain? A. 108 B. 720 C. 1200 D. 1560
Zadanie 6
Which arrangement correctly shows the covalent connections among the three components of one DNA nucleotide? A. Base — phosphate — deoxyribose B. Phosphate — deoxyribose — base C. Phosphate — base — phosphate D. Deoxyribose — base — deoxyribose