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DNA Replication
DNA Replication

... In a cell all functions are carried out by proteins: control of cell reproduction, production of energy, production of hormones, production of digestive ...
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Get ready for gene editing

... This figure shows three methods of plant genetic improvement. Traditional breeding crosses two parental lines that contain favorable traits, and plant scientists hope to find all of the desirable traits (and no undesirable traits) in one of the offspring. Many genes are mixed in random ways. Genetic ...
Genetics final exam honors 2010
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Genetics Practice Test (H)

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Notesheet

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Chapter Objectives:Molecular Genetics

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The Structure of a DNA Molecule

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... c. Pauling of Cal Tech fame, shows that biochemists can make discoveries with legos, tinker toys or other model building kits as long as they have a sharp mind and right chemical information about their molecule. d. Two scientists, one a chemist the other a biologist, who were not even hired to work ...
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Nucleus - Maryville University
Nucleus - Maryville University

... – rewinds DNA helix ...
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Set 2 - The Science Spot

... 1. What term refers to the physical appearance of a trait? Example: Yellow body color 2. What term refers to the gene that is expressed when two different genes for a trait are present in a gene pair? 3. If your grandparents are the parental generation, what term would refer to your parents? 4. What ...
Genetics (4) - HCC Learning Web
Genetics (4) - HCC Learning Web

... – rewinds DNA helix ...
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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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