GCSE biology: cellsWatch
Cytoplasm A jelly-like material that contains dissolved nutrients and salts and structures called organelles. It is where many of the chemical reactions happen.
Nucleus Contains genetic material, including DNA, which controls the cell’s activities.
Cell membrane Its structure is permeable to some substances but not to others. It controls the movement of substances in and out of the cell.
Mitochondria Organelles that contain the enzymes for respiration, and where most energy is released in respiration.
Ribosomes A tiny organelle where protein synthesis occurs.
Chloroplast Organelles that contain the green pigment, chlorophyll, which absorbs light energy for photosynthesis. Contains the enzymes needed for photosynthesis.
Cell wall Made from cellulose fibres and strengthens the cell and supports the plant.
Permanent vacuole Filled with cell sap to help keep the cell shape
In animal cells and plant cells:
* Cell membrane - has a ‘brane’ and lets through only certain substances.
* Cytoplasm - is the ‘cyte’ (as in site) of most of the chemical reactions.
* Ribosome - I know this one is a bit far-fetched but I think of ‘rib’ in the first part of the word. Ribs (like the food) are a source of protein ; likewise ribosomes are organelles where protein synthesis occurs.
The three additional parts of the plant cell:
* Vacuole - This one is straight-up crazy but here we go: it’s a ‘ole (hole) of cell sap.
* Cell wall
* Chloroplast - a chloroplast contains chlorophyll
I hope this helped. Good luck with your exams! xx