Return after a break
What can you recall?
state
Recall and explain
state: give a concise answer.
Fill the gaps. In every cell, the ___ controls what enters and leaves, and most chemical reactions happen in the ___. The ___ contains the genetic material. Only plant cells have a ___ made of cellulose. A bacterium has no nucleus: its genes are on a loop of ___ in the cytoplasm.
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Scope and sources
Cambridge IGCSE Biology 0610 · 2026–2028 v3 · Original learning materials.
The structure and functions of plant, animal and bacterial cells (2.1.1–2.1.4) through a microscope practical: preparing an onion-skin slide, focusing from low to high power, and comparing cheek cells and a pondweed leaf. Part 2 covers cell division, specialised cells and levels of organisation (2.1.5–2.1.7); part 3 magnification and units (2.2.1–2.2.3).
Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.
Official Cambridge syllabus