Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
64 Cards in this Set
- Front
- Back
|
Energy flow |
Moves through the biosphere cyclically |
|
|
Earth |
Closed system in terms of chemical matters |
|
|
Metabolic processes |
To live, grow, and reproduce |
|
|
Biosphere |
Composed of chemical elements and compounds that living organisms need for their various metabolic processes |
|
|
Macronutrients |
Nutrients needed in fairly large amounts |
|
|
Macronutrients |
Constitute more than 1% of dry organic weight |
|
|
Macronutrients |
Constitute 0.2-1% of dry weight |
|
|
Carbon |
(C) |
|
|
Oxygen |
(O) |
|
|
Hydrogen |
(H) |
|
|
Nitrogen |
(N) |
|
|
Phosphorus |
(P) |
|
|
Sulfur |
(S) |
|
|
Chlorine |
(Cl) |
|
|
Potassium |
(K) |
|
|
Sodium |
(Na) |
|
|
Calcium |
(Ca) |
|
|
Magnesium |
(Mg) |
|
|
Iron |
(Fe) |
|
|
Copper |
(Cu) |
|
|
Micronutrients |
Needed in small or trace amounts |
|
|
Micronutrients |
Constitutes less than 0.2% of dry organic matter |
|
|
Tin |
(Sn) |
|
|
Micro |
Titanium — micro or macro |
|
|
Vanadium |
(V) |
|
|
Zinc |
(Zn) |
|
|
Aluminum |
(Al) |
|
|
Boron |
(B) |
|
|
Micro |
Bromine — micro or macro |
|
|
Chromium |
(Cr) |
|
|
Micro |
Cobalt — macro or micro |
|
|
Flourine |
(F) |
|
|
Micro |
Gallium — micro or macro |
|
|
Iodine |
(I) |
|
|
Manganese |
(Mn) |
|
|
Micro |
Molybdenum — micro or macro |
|
|
Selenium |
(Se) |
|
|
Silicon |
(Si) |
|
|
Micro |
Strontium — micro or macro |
|
|
Oxygen Carbon Hydrogen Nitrogen |
4 elements that dominate in the composition of the biosphere |
|
|
Terrestrial vegetation |
Makes up more than 99% of the world’s standing crop |
|
|
Wood |
Chief constitue of plant materials |
|
|
Cellulose |
Wood is mainly ____ |
|
|
Carbon Hydrogen Oxygen |
Main constituents of cellulose |
|
|
Carbohydrate |
Principal product of photosynthesis |
|
|
C6 H10 O5 |
Chemical formula of cellulose |
|
|
CH2O |
Chemical formula of carbohydrate |
|
|
Biosphere |
Wet and carbonaceous |
|
|
Carbon |
Makes up 49% of the weight of organisms |
|
|
Nitrogen |
Present in two important biomolecules |
|
|
Proteins and Nucleic acid |
Two important biomolecules |
|
|
Sulfur & Phosphorus |
Not part of the biosphere |
|
|
Sulfur & phosphorus |
We do not associate with |
|
|
Sulfur |
The “stiffening” factor of protein |
|
|
Sulfur |
Present in SOME proteins |
|
|
65-70% |
Humans, animals and most fruits and vegetables have about ____ water content |
|
|
Biosphere |
Ecosphere |
|
|
C6H12O6 |
Chemical formula of glucose |
|
|
Radical |
Group of atoms acting as a unit |
|
|
Denaturation |
Permanent change in shape of a protein chain |
|
|
Heat Soap Solvents Electrolytes Heavy metals Radiation |
Denaturation is caused by: |
|
|
Cellulose & starch |
Both polymers of glucose |
|
|
Cellulose and starch |
Differ in the spatial arrangement of the oxygen bonds |
|
|
Oxygen bonds |
Link the glucose units |
