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ANT100Y1 (973)


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Christopher Watts

Modern Synthesis of Evolution Focuses on how evolution works at level of phenotypes, genes and populations Microevolution, Macroevolution, DNA->RNA->Protein Genetics Somatic Cells most cells in body except sex cells Gametes: sex cells (sperm and ovum Cytoplasm: complex mix of membranes, molecules and tiny structures called organelles Nucleus: contains hereditary material (chromosomes), command centre Chromosomes: paired rod-shaped structures in cell nucleus containing genes that transmit traits from generation to generations DNA Deoxyribonucleic acid: nucleic acid used to store genetic info that codes for synthesis of proteins Four bases: adenine (A), guanine(G), cytosine (C), and thymine (T) G always binds with C, T always binds with A Doesnt really do anything RNA Ribonucleic acid, Regulate expression of other genes Dictate synthesis of proteins that perform a wide variety of functions in body Work with structures in ribosomes (factory of cells) critical for manufacturing of proteins Transport amino acids to ribosomes for creation of proteins Does the work; working molecule Proteins Linear sequences of amino acids that are building blocks of cells Each protein has specific function determined by blueprint stored in DNA Eg catalysis of all biochemincal reactions is done by enzymes, which contain protein (digestion) and many more
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