Molecular Composition Review (2.2) Flashcards
Define biomacromolecule
Large molecule formed by joining many monomers
Provide 2 examples of biomacromolecules
- Proteins
2. Polysaccharides
Define inorganic compounds
Compounds that do not contain carbon and hydrogen
Describe polymer
A large molecule that is made up of many repeating smaller molecules strung together
Provide 3 examples of polymers
- Nucleic acids
- Carbohydrates
- Proteins
Define monosaccharide
Carbohydrate consisting of single sugars
State the 2 types of nucleic acids
- DNA
2. RNA
Provide 4 examples of an inorganic compound
- CO2 (Carbon dioxide)
- N2 (Nitrogen)
- H20 (Water)
- O2 (Oxygen)
Outline the role of nitrogen for living things
Used to make amino acids
Outline the role of carbon dioxide for living things
Used to create glucose
photosynthesis
Outline the role of oxygen for living things
Oxygen releases energy from organic compounds
cellular respiration
Define organic compounds
Compounds that contain carbon and hydrogen
Provide 4 examples of organic compounds
- CH4 (methane)
- C2H4 (ethene)
- C6H12O6 (glucose)
- C3H6O3 (lactic acid)
Describe monomer
A smaller subunit of a larger unit
Provide 2 examples of monomers
- Amino acids
2. Nucleotides
Provide 4 examples of simple lipids
- Fats
- Steroids -> (2) cholesterol
- Hormones -> (3) cortisone + (4) testosterone
Define nucleotide
Monomer of nucleic acids (DNA and RNA)
Composed of phosphate, deoxyribose sugar and nitrogenous base
State the basic subunit of carbohydrates
Monosaccharides
State 2 major classifications of fatty acids
- Saturated
- Unsaturated
State the 3 elements that make up lipids
- Carbon
- Hydrogen
- Oxygen
Describe simple lipids
Composed of: - Carbon - Hydrogen - Oxygen (in different proportions to that of carbohydrates)
State how many different amino acids are found in proteins
20 amino acids
State the basic subunit of nucleic acids
Nucleotide
Phosphate, deoxyribose sugar, nitrogenous bases
State the basic subunit of proteins
Amino acids
State the 3 major groups of carbohydrates
- Monosaccharides
- Disaccharides
- Polysaccharides
List the 4 major classifications of organic molecules
- Carbohydrates
- Proteins
- Nucleic acids
- Lipids
Describe unsaturated fat
At least one double bond between carbon atoms
-C=C-
Describe saturated fat
Maximum no. of hydrogen bonds attached to/saturating every carbon atom
No double bonds present
Provide 1 example of compound lipids
Phospholipids
State the 5 elements that make up nucleic acids
- Carbon
- Hydrogen
- Oxygen
- Nitrogen
- Phosphorous
Describe compound lipids
Contains:
- Fatty acids
- Glycerol
(phosphorous & nitrogen)
State the 3 elements that make up the carbohydrate
- Oxygen
- Carbon
- Hydrogen
Define complex polysaccharides
(complex carbohydrate)
Polysaccharide that has different monosaccharide and disaccharide subunits in the same molecule
Define polysaccharides
Polymer consisting of many repeated units of monosaccharides or disaccharides
State 2 types of structure of polysaccharides
- Linear
- Highly branched
State 2 general forms of lipids
- Simple
- Compound
State the 4 elements that make up proteins
- Carbon
- Oxygen
- Nitrogen
- Hydrogen
State the basic subunit of lipids
Glycerol head and three fatty acids tails
State 3 structures minerals are present within living things
- Cell cytosol
- Structural components
- Enzymes
Define disaccharides
Carbohydrate consisting of two linked monosaccharide molecules
Define amino acids
Monomer of polypeptides (proteins)
State the common colour used to represent hydrogen
White
State the common colour used to represent carbon
Black
State the common colour used to represent nitrogen
Blue
State the common colour used to represent oxygen
Red
State the common colour used to represent phosphorous
Orange
State the common colour used to represent sulfur
Yellow