10-4 Acknowledgment 10-6 Busy 10-7 Out of Service 10-8 In Service 10-9 Repeat 10-10 Fight 10-12 Standby 10-16 Domestic Trouble 10-19 Return to 10-20 Location 10-21 Call by phone 10-22 Disregard 10-23 Arrived/On scene 10-27 Driver License Check 10-28 Vehicle Registration Check 10-29 Check Records for Wanted 10-32 Gun/Man with a gun 10-33 Emergency 10-41 Beginning Tour of Duty 10-42 Ending Tour of Duty 10-43 Information 10-44 Out of Beat 10-46 Assist Motorist 10-50 Accident 10-51 Wrecker/Tow Needed 10-55 Intoxicated Driver 10-60 Officer Needs Help 10-63 Prepare to Copy 10-76 En Route 10-80 Responsible Not Responding 10-81 Dead Body 10-82 Child Molestation 10-83 Suicide or Possible Suicide 10-86 Open Door 10-90 Alarm 10-91 Warrant 10-93 Business Check 10-96 Mental Subject 10-99 Wanted/Stolen

H2O

Molecular formula for water, a colorless liquid essential for all forms of life.

Photosynthesis

Process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

DNA

Deoxyribonucleic acid, the molecule that carries genetic instructions in all living things.

Homeostasis

The ability of an organism to maintain stable internal conditions despite changes in the external environment.

Ecosystem

A biological community of interacting organisms and their physical environment.

Microscope

An instrument used to see objects that are too small for the naked eye.

Cell Membrane

A biological membrane that separates and protects the interior of all cells from the outside environment.

Enzyme

A protein that acts as a catalyst to speed up biochemical reactions.

Mitochondria

Organelles known as the powerhouse of the cell, where energy production occurs.

Chlorophyll

A green pigment found in plants that is essential for photosynthesis.