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- 1. Multiple Choice
The study of the chemical processes of living things is called ________________.
Earth Science
Physics
Biochemistry
Entomology
- 2. Multiple Choice
What is a a pure substance that can’t be broken down chemically ?
Atom
Molecule
Element
Cells
- 3. Multiple Choice
What is the abbreviation for the 6 elements that make up almost all of the weight of an organism?
SNOPES
CHNOPS
KHDMDCM
ZNMGFE
- 4. Multiple Choice
Select the four characteristics of Carbon that make it an important element of life.
Forms the backbone for all of the organic molecules found in living things.
Found in water
Found in all organic molecules.
Forms chains or rings
Carbon can form 4 covalent bonds
- 5. Multiple Choice
What essential element for the body is also the most abundant element on Earth ?
Carbon
Hydrogen
Nitrogen
Oxygen
- 6. Multiple Choice
Select the four characteristics of Hydrogen that make it an essential element for life.
Found in water
Found in all organic molecules
Can only bond form 1 bond
Required for aerobic respiration
Most abundant (by number) element in the body
- 7. Multiple Choice
Select the four characteristics of Oxygen that make it an essential element for life.
Found in most organic molecules
2 chemical bonds available
A majority of this oxygen comes from water in your body
Required for anaerobic respiration
Required for aerobic respiration
- 8. Multiple Choice
What element makes up about 65% of our body mass?
Nitrogen
Hydrogen
Zinc
Oxygen
- 9. Multiple Choice
Select two characteristics of Nitrogen.
Found in proteins, DNA, and ATP
Creates a carbohydrates
N is gas that makes up 78% of the Earth’s atmosphere
Found in water
- 10. Multiple Choice
Select the two characteristics of Nitrogen that make it essential for life.
An element found in water.
Usually found in molecules, not as a pure element because it’s very reactive
Found in nucleic acids and ATP
Make up 95% of body mass
- 11. Multiple Choice
What is the name of the element found in waste products, vitamins, some proteins and enzymes?
Sulfur
Nitrogen
Oxygen
Carbon
- 12. Multiple Choice
What do we call elements needed in very small amount?
Molecules
Atoms
Trace Elements
Mega Elements
- 13. Multiple Choice
What is the name of the trace element needed for the formation of red blood cells (carries oxygen) and utilized to form enzymes?
Oxygen
Iron
Magnesium
Zinc
- 14. Multiple Choice
What two elements are used in energy metabolism?
Zinc
Carbon
Hydrogen
Magnesium
- 15. Multiple Choice
What is the name of the two elements that support the nervous system function?
Potassium
Sodium
Zinc
Oxygen
- 16. Multiple Choice
What is the name of the trace element that provide us with healthy bones, teeth, blood clotting?
Iron
Zinc
Calcium
Sulfur
- 17. Multiple Choice
What type of bonding is displayed in the picture?
covalent bonding
ionic bonding
- 18. Multiple Choice
What type of bonding is displayed in the picture?
covalent bonding
ionic bonding
- 19. Multiple Choice
What type of molecules do not contain carbon or has carbon that isn’t bonded to hydrogen, and is not used as an energy source.
organic molecule
inorganic molecule
greenhouse molecule
solar molecule
- 20. Multiple Choice
What type of molecules contains both C and H, most important to living things. (Ex. carbohydrates, lipids, nucleic acids, proteins)
inorganic molecules
solid molecules
organic molecules
green molecules
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