Key Concepts in Biology Edexcel GCSE
eukaryotic cells - correct answer they are complex and have a nucleus e.g.
animal and plant cells
prokaryotic cells - correct answer they are smaller and don't have a nucleus
e.g. bacterial cells
nucleus - correct answer contains DNA. DNA controls what the cell does. It is
stored in structures called chromosomes
cytoplasm - correct answer where most chemical reactions happen
cell membrane - correct answer holds the cell together and controls what
goes in and out
mitochondria - correct answer where most respiration happens. Respiration
releases energy for the cell
ribosomes - correct answer join amino acids together to make proteins
cell wall - correct answer made of cellulose. It supports the cell and
strengthens it
chloroplasts - correct answer where photosynthesis happens. Photosynthesis
makes food for the plant
large vacuole - correct answer stores cell sap (a solution of sugar and salts)
