B1.1 CELL STRUCTURE

• what does the nucleus do?

  contain genetic material in chromosomes and controls cell division
• cytoplasm

  supports cell structure, site of many chemical reactions, contains water and many solutes
• cell membrane

  holds the cell together and controls substances entering/leaving the cell
• cell wall

  gives the cell extra support and defines its shape
• chloroplasts

  site of photosynthesis and contains chlorophylls, which absorbs light energy
• vacuole

  contains cell sap and used for storage of certain material.
• mitochondria

  site of aerobic respiration
• ribosomes

  found in cytoplasm

  site of protein synthesis
• fill in the blanks

  A) CYTOPLASM

  B) RIBOSOME

  C) NUCLEUS

  D) CELL MEMBRANE

  E) MITOCHONDRIA

  
• fill in the blanks!

  A) chloroplasts

  B) permanent vacuole

  C) cell wall

  
• fill in the blanks!

  A) plasmid

  B) circular loop of dna

  C) flagella