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Electrons are the negatively charged particles of an atom. Together, all of the electrons of an atom create a negative charge that balances the positive charge of the protons in the atomic nucleus. Electrons are extremely small compared to all of the other parts of the atom. The mass of an electron is almost 1,000 times smaller than the mass of a proton.
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DNA replication would be semi-conservative because they produce two copies. one being the original one and then the new one
I believe that the most contaminated are is the kitchen sink. Researchers say that the sink can contain up to 100,000 times more bacteria than the toilet seat. This is because the sink is where everything is slopped in.The sink should be washed with hot water and disinfected regularly to kill the harmful bacteria.
The correct answer to the question stated above is the first option: <span>an instinctive behavior was tied to a different stimulus.
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Pavlov's experiment was a typical case of classical conditioning because an instinctive behavior was tied to a different stimulus.
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Pyrimidines
Uracil = 2,4-dioxy pyrimidine
Thymine = 2,4-dioxy-5-methyl pyrimidine
Cytosine = 2-oxy-4-amino pyrimidine
Orotic acid = 2,4-dioxy-6-carboxy pyrimidine
Polynucleotides
Nucleotides are joined together by 3'-5' phosphodiester bonds to form polynucleotides. Polymerization of ribonucleotides will produce an RNA while polymerization of deoxyribonucleotides leads to DNA.
https://library.med.utah.edu/NetBiochem/pupyr/pupy15.gif
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