They found out DNA was the genetic material, not protein.
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3 Parts of a nucleotide
Nitrogenous base, 5 carbon (Pentose) sugar, and phosphate group.
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DNA
Deoxyribose sugar, double stranded, thymine, storage of genetic information
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Monomer
Small building block molecules
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Polymers
A long molecule consisting of many similar building blocks.
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Anabolic pathways
The synthesis of complex molecules from simple ones.
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Catabolic Pathways
The breakdown of complex molecules into simpler molecules.
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Is monomer nucleotide or polynucleotide?
Nucleotide
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Is polymer nucleotide or polynucleotide?
Polynucleotide
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Bond that holds together nucleotides
Phosphodiester
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Purines
2 rings, A/G
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Pyrimidines
1 ring, U/C/T
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RNA
Ribose sugar, uracil, single stranded, accesses genetic information.
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Antiparallel
2 things that will never touch going opposite ways.
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What holds together complementary base pairs in DNA?
Hydrogen Bonds
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Chargaff
Discovered ratios of A-T and G-C are equal.
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Rosalind Franklin
Took photo 51, which confirmed DNA was double Helixed.
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Watson and Crick
Got credit for discovering DNA was double helixed.
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Miller-Urey Experiment
An experiment that replicated conditions of prebiotic earth. After some time amino acids formed.
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LUCA
Last Universal Common Ancestor. Supported by universal genetic code and conserved genes across all organisms.
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Cell Theory
All living organisms are composed of cells, cells are the basic units of structure and function in living organisms.
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4 structures all cells share
Membrane, cytoplasm, DNA, and ribosomes.
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Differences between plant and fungal cells
Plants have cell wall made of cellulose while fungal cells have a cell wall made of chitin. Plant cells have cholorplasts, fungal cells don’t. Plant cells have a large central vacuole, fungal cells have multiple small vacuoles.
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Similarities between plant and fungal cells
Eukaryotic, have a cell membrane. They both have cytoplasm.
Idea that Eukaryotes evolved from Prokaryotes by having one bacteria engulf another one. Evidence: Mitochondria and chloroplasts have a double membrane. Mitochondria and chloroplasts have their own ribosomes.
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Atypical Cell examples
Skeletal muscle cells, fungal hyphae. Both have a double nucleus.