Anatomy & Physiology Ch 2 Basic Chemistry. What are the parts of atoms including charges? Nucleus Protons Positive Neutrons Neutral Electron Cloud Electrons.

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Presentation transcript:

Anatomy & Physiology Ch 2 Basic Chemistry

What are the parts of atoms including charges? Nucleus Protons Positive Neutrons Neutral Electron Cloud Electrons Negative

What role do oxygen, calcium, and magnesium have in the body. Oxygen Most abundant element in body, cellular respiration Calcium In bones and teeth Magnesium In bones and involved in enzyme activity

Compare and contrast ionic and covalent bonding. Ionic Transferring of electrons Covalent Sharing of electrons Both are types of chemical bonds

An atom with 11 protons and 12 neutrons is an…? Isotope

What is the difference between a molecule and a compound? Molecule: two or more of the same kind of atoms combined. Compound: two or more different kinds of atoms combined.

What are the four types of organic compounds? Carbohydrates Lipids Proteins Nucleic Acids

What are the matching base pairs in DNA? Adenine - Thymine (AT&T) Cytosine - Guanine (Cingular)