BIOL 1010 Lecture Notes - Lecture 2: Deoxyribose, Pentose, Human Genome Project
9 Dec 2016
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Document Summary
Structural hierarchy in the molecular organization of cells. Chemistry is referred to as the central science. The study of matter and the transformations it undergoes. Matter: another that has mass and occupies space. Matter consists of chemical elements in pure form and in combinations called compounds. A(cid:374) ele(cid:373)e(cid:374)t"s properties depe(cid:374)d o(cid:374) the structure of its atoms. Chemical reactions make and break chemical bonds. Living things are composed of lifeless molecules but humans are not just biological machines. Elements are substances that cannot be broken down. Pure substance made of only one type of atom. Compound: a substance consisting of two or more elements combined in a fixed ratio. Pure substance made of two or more elements. Carbon, oxygen, hydrogen and nitrogen are the most abundant elements of life, making up. Are required by an organism in only small quantities. Atoms: smallest particles that retain properties of an element. First images were taken in the 1980s.
