chemistry of life

cheryl and ajanay

Water

adhesive: meaning it attracts to unlike substances


cohesive: meaning it attracts to other water molecues


polar: meaning it has a slight charge


heat capacity: how much heat a water molecule can hold


ph scale:concentration of hydrogen ions in a solution

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macromolecules

Is a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.


Types of Nucleic Acids:ATP, RNA, DNA

ATP: Are the energy bank

DNA: The Hereditary structure

RNA- Help make proteins

Protein:Are chains are of Amino Acids





















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Carbohydrates

They are sources of energy for the body.


The types are:

Monosaccarides-Based source of energy for cells. They have one ring.

Disaccarides-It just energy:lactose and sacrose

Oligosaccharides-It has 2-20 rings, cellulas sign posts

Polysaccharides- 2 rings, plant structure, bug straucture:starch, cellulose, chitin


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Protiens

Proteins-are large biological molecules, or macromolecules, consisting of one or more chains of amino acid residues.

-It is antibodies that carrie O2

Examples: T-protein

Collagen

Hemoglobin


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Lipids

Lipids are fats


Types:

Saturated-is fat that consists of triglycerides containing only saturated fatty acids. Saturated fatty acids have no double bonds between the individual carbon atoms of the fatty acid chain

Unsaturated-is a fat or fatty acid in which there is at least one double bond within the fatty acid chain.


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Nucleic Acids

Nucleic Acids- complex organic substance present in living cells, esp. DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.







Allows organisms to transfer genetic information from one generation to the next.






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enzymes

catalyze the function of chemicals


temperature and ph both can denature the enzyme

activation energy enzymes carry out the chemical reaction of the metabolism

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