SCIENCE ENTRANCE EXAM

• Chloroplast


  capture solar energy from photosynthesis (planet cells, some algae)
• Golgi Body


  a package of cell that distributed by products
• Lysosomes


  digest excess products and food particles
• Mitochondria 


  transform energy through respiration
• Nucleus


  contains DNA which controls cellular activities
• Ribosome


  produce proteins
• Vacuole


  store substances
• Cell (plasma) membrane


  phospholipid bilayer that protects and encloses the cell; controls transport; maintains homeostasis
• Cell wall


  rigid second layer that protects and encloses the cell (plant cells and some bacteria)
• Cytoplasm


  fluid-like substance that contains various membrane-bound structures (organelles) that perform various functions
• Endoplasmic Reticulum


  site of chemical reactions ROUGH: contains ribosomes - SMOOTH: lipid production
• Cytoskeleton


  provides internal structure - MICROFILAMENTS: fibers - MICROTUBULES: cylinders
• Milk is natural?


  Emulsion