Molecules may be categorized into two major groups: organic & inorganic. Please
ID: 190121 • Letter: M
Question
Molecules may be categorized into two major groups: organic & inorganic. Please match the following eight characteristics accordingly
a) inorganic
b) organic
1.- ( ) they usually contain positive and negative charged ions
2.- ( ) they always contain carbon and hydrogen
3.- ( ) usually composed by ionic type of bonds
4.- ( ) usually composed by covalent bonds
5.- ( ) always contain a small amount of atoms
6.- ( ) they may be quite long, composed of many atoms
7.- ( ) usually associated with living organisms
8.- ( ) often associated with non-living elements
14.- Which of the following is not a characteristic of carbon?
a) may form up to four different bonds
b) may bond with itself
c) commonly found in molecules formed by ionic bonds
d) because of its properties may give way to complex/long chains
MATCH the biological molecules with its apprpriate monomer
a) carbohydrate
b) lipid
c) protein
d) nucleic acid
15.- ( ) fatty acid
16.- ( ) nucleotide
17.- ( ) saccharide
18.- ( ) amino acid
19.- Which is the most abundant carbon compound found as a component of living organisms?
a) carbohydrates b) proteins c) lipids d) fats e) nucleic acids
MATCH the biological molecules with its most common function
a) carbohydrates
b) lipids
c) proteins
d) nucleic acids
20.- ( ) They carry the chemical code of life, or function as transport components
involved in critical energy transformation in every cell
21.- ( ) The specialized shape and function of different cells depends in this type
of molecule.
22.- ( ) Serves both as a structural component and as an energy source that fuels
life’s processes.
23.- ( ) Energy storage molecule, that provides water proof covering around cell.
24.- Which of the following is a monosaccharide known as the “universal fuel”.
a) fructose b) ribose c) cellulose d) glucose e) sucrose
25.- Monosaccharide that functions as a component of DNA
a) ribose b) deoxiribose c) uracil d) glucose e) cytosine
Explanation / Answer
1. Inorganic.
2. Organic.
3. Inorganic.
4. Organic.
5. Inorganic.
6- organic.
7. Organic.
8. Inorganic.
14. C. Commonly found in molecules formed by ionic bonds.
15. B. Lipids.
16. D. Nucleotides.
17. A. Carbohydrates.
18. C. Proteins.
19. B. Proteins.
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