BIOL 1103- Final Exam Guide - Comprehensive Notes for the exam ( 165 pages long!)
30 Nov 2017
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:cosystems => populations => organisms => organs => tissues => cells => organelles => molecules. There are 46 chromosomes (23 pairs), each with a specific number of nucleotides in them (base pairs a, c, g, t). 23rd pair, the sex chromosomes, differ between males and females. Hydrogen bonds: w:ak chemical bond formed when slightly (+) hydrogen atom of a polar covalent bond in one molecule is attached to the slightly (-) atom of a polar covalent bond in another molecule. 96% of all living matter is made of oxygen > carbon > hydrogen > and nitrogen. As the ph increases (becomes more basic), the carboxyl group becomes more ionized (more negative charge, different properties). Enantiomers: mirror images of each other; enantiomers cant superimpose on each other and fit perfectly with certain molecules (c) The hypothesis that the conditions that prevailed on earth millions of years ago (for example, reducing atmosphere that lacked oxygen) contributed to the formation of organic molecules.
