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polar covalent bond
Electrons are shared, but not equally. Might have slight (+) and slight(-) charged
Contain carbon, since carbon is a unique and important element it can form strong and stable covalent bonds. (Bonds 4 times)
Large molecules consisting of identical or similar building-block molecules, strung together
Arranges elements into periods(horizontal rows) and groups (vertical columns) according to their atomic number
Study of the chemistry of living things including the chemical substances and processes involved
Organic molecules containing only carbon and hydrogen, can be formed into chains or rings
Contain C,H,O, almost always in the 1:2:1 ratio, they are a source of energy for most orcanisms
lipid molecules similar to triglycerides, however there is an additional functional group (phosphate)
An unbranched polymer of amino acid, contains carbon, hydrogen, oxygen, and nitrogen; source of energy; needed by tissue for repair and growth; made up of 20 amino acids.
a change in the 3D shape of a protein caused by high temperatures or harsh chemical environments
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