nucleus - contains DNA, cell membrane - controls what enters and leaves the cell, cytoplasm - where chemical reactions take place, mitochondria - site of respiration, cell wall - supports and strengthens the cell, ribosome - where proteins are made, chloroplast - site of photosynthesis, vacuole - contains cell sap,

Cell structures and their function

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?