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BIOL08012 2016 May
BIOL08012 2016 May

... Discuss the bonds and interactions between nucleotides that result in the helical structure of DNA. ...
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Directed Reading 13.1 - Blair Community Schools
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The Structure of DNA - Minneota Public Schools
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check lab - Social Circle City Schools
check lab - Social Circle City Schools

... A GENE Each gene is a segment of double stranded DNA that holds the recipe for making a specific molecule, usually protein. These recipes are spelled out in varying sequences of the four chemical bases in DNA: adenine (A), thymine (T), guanine (G), and cytosine (C). The bases form interlocking pairs ...
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Biology 303 EXAM II 3/14/00 NAME

... B. the organism must be phenotypically abnormal C. chromosome number is likely altered D. meiotic crossovers within the inverted interval will not be recovered in offspring. ...
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Helitron (biology)

A helitron is a transposon found in eukaryotes that is thought to replicate by a so-called ""rolling-circle"" mechanism. This category of transposons was discovered by Vladimir Kapitonov and Jerzy Jurka in 2001. The rolling-circle process begins with a break being made at the terminus of a single strand of the helitron DNA. Transposase then sits at this break and at another break where the helitron targets as a migration site. The strand is then displaced from its original location at the site of the break and attached to the target break, forming a circlular heteroduplex. This heteroduplex is then resolved into a flat piece of DNA via replication. During the rolling-circle process, DNA can be replicated beyond the initial helitron sequence, resulting in the flanking regions of DNA being ""captured"" by the helitron as it moves to a new location.
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