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PCS Liv Env

Vocabulary 2016 #1

TermDefinition
acid substance with a pH that is lower than 7 (pH of 1 is stronger than pH of 6)
amino acids small units connected together to form proteins
atoms smallest unit of matter
carbohydrates compounds made of carbon, hydrogen or oxygen and used for energy in cell
chemical bonds atoms are connected together by these which store energy
compound the result of different atoms connected together
dependent variable data collected in an experiment (Hint: D = data)
element pure substance which consists of one type of atom
excretion getting rid of an organism's metabolic waste
hypothesis statement made before an experiment which predicts the outcome of the experiment
independent variable variable that I control (Hint: I = independent)
inference using prior knowledge to figure something out
lipids fats, oils, waxes
nucleic acids DNA and RNA
nutrition getting and using materials from the environment
observation using your senses to gather information
organic molecules which contain both C (carbon) and H (hydrogen)
regulation life function of controlling the cell's activities
respiration process of releasing energy molecules from food
synthesis connecting small molecules into large molecules
Created by: Ms.Sala