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PCS Liv Env
Vocabulary 2016 #1
| Term | Definition |
|---|---|
| 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