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The practice of selecting parents with
desirable traits to produce offspring with
those same desirable traits |
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discrete elements that control hereditary
characteristics and that are passed from parents to
offspring in predictable patterns |
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the observable properties of an organism;
a description of the characteristics that we can
observe or measure in an organism |
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sugars, fats, organic acids, lipids,
amino acids, proteins, nucleotides, nucleic acids |
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| Most functionally diverse class of organic compounds |
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such as collagen, substance of bone, cartilage,
and tendons |
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such as hemoglobin, transports oxygen through
the bloodstream |
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signals sent from some cells to communicate with
other cells |
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| catalyze specific chemical reactions of metabolism |
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| Consists of 287 amino acids |
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are responsible for
differences in eye color, skin color, susceptibility to
cancer, and thousands of other heritable human
traits |
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Definition
exists in the form of a double
helix, in which two strands of DNA wrap around
each other in a helical configuration. |
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| weak interactions that hold the DNA double helix together |
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| product is two identical daughter double helices |
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| ribonucleic acid, ribose instead of deoxyribose, uracil in place of thymine, single stranded form, |
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| One of DNA strands serves as template for production of complementary strand of RNA, U's instead of T's, DNA reforms double helix, occurs in nucleus |
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| cellular work benches on which proteins are synthesized |
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| 43 different types, cloverleaf structures |
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| Different versions of the same gene |
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