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What is a buffer?
a system of molecules and ions which prevent changes in H+ thereby stabilising the pH of a solution
Triglycerides are ___ or ___ at room temperature
Solids
Liquids
What atoms can be found in hydrogen bonds?
Oxygen, hydrogen, or nitrogen
What is a base?
A solution that removes H+ from a solution and is a proton acceptor
Give some examples of carbohydrates based on their sizes.
Monosaccharides, disaccharides, polysaccharides
Describe unsaturated fatty acids
Contain one or more double covalent bonds between carbon atoms of the hydrocarbon chain
What are all forms of matter made of?
Chemical elements
How are ions charged?
Can be positive or negative
Describe a solid
Solids are compact and have a definitive shape
What are the functions of hydrogen bonds?
Folding/bending of long organic molecules
Bonds 2 strands of DNA
Surface tension
Capillary Action
What molecules are large and are used to carry out complex functions, and are held together by covalent bonds?
Organic molecules
Describe the structure of phospholipids
Have a glycerol backbone and two fatty acid chains that are attached to two carbons. They are amphipathic.
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