Essential elements
Definition of macronutrient
What is a nutrient needed in relatively large amounts?
Found in every organic molecule
What is carbon?
Passive movement of water molecules from area of high concentration to low through a porous membrane
What is osmosis?
Amount of free nitrogen in the air
What is 78%
Definition of pesticide AND fertilizer
What is chemicals used to kill pests, and substances used to enrich soil
Mainly composed of calcium and phosphate
What is bones and teeth?
Contained in every cell
what is DNA and RNA
How plants take in nutrients from the soil they already have
what is active transport?
Process in which free nitrogen is converted into usable compounds
What is nitrogen fixation?
Industrial process common in Alberta
What is natural gas?
The energy currency of our cells
What is ATP?
Main component of enzymes
what is proteins?
Convert inorganic compounds into organic compounds
What is producers/plants?
Process that converts carbon dioxide and water into glucose using energy from the sun
Impact of incinerators on environment
What is air pollution?
Essential element in blood
what is iron?
Building block of proteins
what is amino acids?
Role of enzymes and acids in digestion
what is chemically breaking down food?
Two ways free nitrogen can be "fixed"
What is lightening and bacteria in root nodules?
at least 3 Elements used in fertilizers
What is nitrogen / phosphorus / potassium / sulfur?
Percentage of body mass made up of carbon
What is 18%?
Energy source for cellular respiration
What is carbohydrates?
Process the break down large organic molecules by adding water
what is hydrolysis?
process in which glucose and oxygen are converted into water and carbon dioxide
What is cellular respiration?
At least two pollutants released during fuel combustion
what is sulfur dioxide / nitrogen oxides / mercury / lead?