Zadanie 2b
List two mechanisms by which a coronavirus genome could acquire a mutation.
Sources of mutational change
Compare spontaneous replication or repair errors with effects of chemical mutagens and mutagenic radiation.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2023–2026.
Zadania sprawdzające tę umiejętność: 4 Otwórz w wyszukiwarce z filtrami
Zadanie 10
Genetic information helps explain early life and guide present-day conservation. (a) Describe RNA structure and evidence supporting an RNA-first stage of early life. (b) Describe uses of DNA-sequence analysis in biodiversity conservation. (c) Explain causes…
Zadanie 10
DNA structure and sequence affect biological function. (a) Outline how ultraviolet radiation can act as a mutagen. (b) Explain links between DNA molecular structure and its functions. (c) Describe how gene knockout is used in research. One additional mark is…
Zadanie 7
(a) Outline the chromosome changes during prophase I of meiosis. (b) Describe processes performed by enzymes that bind to DNA. (c) Explain how environmental conditions can affect DNA and its expression in living organisms.