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20 Cards in this Set

  • Front
  • Back
ATP
adenosine triphosphate, a molecule that acts as the main energy source for cell processes
carbohydrate
a class of energy-giving molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen
consumer
an organism that eats other organisms or organic matter
decomposer
an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients
lipid
a type of of biochemical that does not dissolve in water; fats and steroids are lipids
nucleic acid
a molecule made up of subunits called nucleotides
phospholipid
a lipid that contains phosphorus and that is a structural component in cell membranes
producer
an organism that can make its own food by using energy from its surroundings
protein
a molecule that is made up amino acids and that is needed to build and repair body structures and to regulate processes in the body
stimuli
chemicals, light, sounds, hunger, or anything that causes an organism to react
external changes
if it is cold outside, your body starts to shiver to warm up
cells
all organisms are made up of
DNA
carries instructions for the organism's traits
heredity
passing traits from parent to offspring
homeostasis
the maintenance of a constant internal state in a changing environment
metabolism
the sum of all chemical processes that occur in an organism
organism needs
water, air, a place to live, and food
70% to 85% water
cells that make up your body are about what percentage of water
DNA
is a nucleic acid
Carbohydrates
molecules made of sugars