edna has a segment with endpoints f?
429731
Edna has a segment with endpoints F(4, 9) and G(7, 2) that is divided by a point H such that FH and GH form a 1:3 ratio. She knows that the distance between the x-coordinates is 3 units.
1356979
To prevent the loss of genes as chromosome ends wear down, the tips of eukaryotic chromosomes have specialized DNA “caps” called telomeres. Telomeres consist of hundreds or thousands of repeats of the same short DNA sequence, which varies between organisms but is 5'-TTAGGG-3' in humans and other mammals.
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Directional Polarity: The template strand moves from the 3'end to the 5' end whereas the coding strand moves opposite to the direction of the template strand, i.e. from 5'end to 3' end. Base Sequence: The base sequence of the template strand is complementary to both the coding strand and the mRNA strand.
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One strand of DNA holds the information that codes for various genes; this strand is often called the template strand or antisense strand (containing anticodons). The other, and complementary, strand is called the coding strand or sense strand (containing codons).
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Most bacteria have one or two circular chromosomes.
410998
All DNA molecules have the same amount of charge per mass. Because of this, gel electrophoresis of DNA fragments separates them based on size only. Using electrophoresis, we can see how many different DNA fragments are present in a sample and how large they are relative to one another.
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Four different segments of a DNA molecule are represented below. Which statement best describes a human chromosome? It contains genes that may code for the production of enzymes.
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On the upper lagging strand, synthesis is discontinuous, since new RNA primers must be added as opening of the replication fork continues to expose new template. This produces a series of disconnected Okazaki fragments.
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Do not reuse running buffers if you are planning Southern or Western experiments, they might give a higher background. Also, NEVER reuse TAE/TBE if you plan to isolate restriction fragments for cloning/subcloning.
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The distal convoluted tubule (DCT) and collecting duct (CD) are the final two segments of the kidney nephron. They have an important role in the absorption of many ions, and in water reabsorption.
1406719
A centimorgan (abbreviated as “cM”) describes the length of a piece of DNA. ... The length of a segment is reported in centimorgans. When you're looking at DNA comparisons, the “shared cM” is the total length of the DNA you share with a person. The “shared segments” are how many blocks that matching DNA is broken into.
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Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells (indentations) at one end of a gel, and an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode.
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A line can be named either using two points on the line (for example, ↔AB ) or simply by a letter, usually lowercase (for example, line m ). A line segment has two endpoints. It contains these endpoints and all the points of the line between them.
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A centimorgan (abbreviated as “cM”) describes the length of a piece of DNA. It is a unit of measurement. More specifically, it measures the distance between two chromosome positions. A shared DNA segment is a chunk of genetic material shared between two individuals. The length of a segment is reported in centimorgans.
435158
Atoms in each DNA nucleotide can be identified by specific numbers. ... One end of the chain carries a free phosphate group attached to the 5'-carbon atom; this is called the 5' end of the molecule. The other end has a free hydroxyl (-OH) group at the 3'-carbon and is called the 3' end of the molecule.
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bacteria that possess a copy of F plasmid are called F-positive or F+, and those dont have F- plasmid are called F-minus bacteria. A bacterial cell containing an F-plasmid integrated with the bacterial chromosome is called the Hfr (high frequency recombination) cell.
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The lagging strand does so discontinuously in segments called Okazaki fragments. ... The difficulty comes in understanding that the lagging template strand is looped out so that DNA polymerase can work on it in the proper direction a segment at time as it comes out of the replication fork.