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Each new DNA molecule has the identical base-pair pattern as ...

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the parent cell.

DNA Replication How DNA Makes Copies of Itself

ircamera.as.arizona.edu/Astr2016/text/dnareplicate1.htm

Before a cell divides, its DNA is replicated (duplicated.) Because the two strands of a DNA molecule have complementary base pairs, the ... If the two strands of a DNA molecule are separated, each can be used as a pattern or template to ... Each template and its new complement together then form a new DNA double helix, ...

DNA: Fun facts - Home Science Tools

www.hometrainingtools.com/a/dna

In fact, if you lined up each molecule of DNA in one cell end to end, the ... The specific base pairing provides a way for DNA to make exact copies of itself. Each half of the original DNA still has a base attached to its sugar-phosphate backbone. ... New strands attach to both sides of the original DNA, making two identical DNA ....

An Introduction to DNA and Chromosomes (Text and Audio) | HOPES

web.stanford.edu/group/hopes/cgi-bin/hopes_test/an-introduction-to-dna-and-chromosomes-text-and-audio/

Feb 5, 2011 ... CHROMOSOMES; How is DNA passed on to new cells? ... In DNA, the sugar molecule happens to called deoxyribose, hence the ... Notice how the chemical structure of each base allows it to line up perfectly with its pair, but not with any ... replicates its DNA and then divides into two identical daughter cells.

From DNA to RNA - Molecular Biology of the Cell - NCBI Bookshelf

www.ncbi.nlm.nih.gov/books/NBK26887/

Because many identical RNA copies can be made from the same gene, and each ... All of the RNA in a cell is made by DNA transcription, a process that has ... to expose a new region of the template strand for complementary base-pairing. ...... Instead, the mutation typically creates a new pattern of splicing (Figure 6-35).

DNA_Notes

www.mrothery.co.uk/genetics/dnanotes.htm

They are polymers (long chain molecules) made from nucleotides. ... A polynucleotide has a free phosphate group at one end and a free OH group at the other end. ... The bases therefore form base pairs, which are like rungs of a ladder. ... DNA is copied, or replicated, before every cell division, so that one identical copy can ...

General Recombination - Molecular Biology of the Cell - NCBI ...

www.ncbi.nlm.nih.gov/books/NBK26898/

More recently, close relatives of these proteins have been discovered and ... This heteroduplex region can be thousands of base pairs long; we explain ... As a result, new recombinant DNA molecules (recombinant chromosomes) are generated. ... In meiosis, this process causes each chromosome in a germ cell to contain a ...

Structure of Nucleic Acids - Molecular Cell Biology - NCBI Bookshelf

www.ncbi.nlm.nih.gov/books/NBK21514/

Cellular DNA molecules can be as long as several hundred million nucleotides. ... All nucleotides have a common structure: a phosphate group linked by a .... The strands are held in precise register by a regular base-pairing between the two strands: ... The x-ray diffraction pattern of DNA indicates that the stacked bases are ...

Replication of DNA - An Introduction to Genetic Analysis - NCBI ...

www.ncbi.nlm.nih.gov/books/NBK21790/

This section examines the mechanism of DNA replication. ... imposed by the DNA structure are strict, each exposed base will pair only with its complementary base. ... The Watson-Crick model would produce the first (semiconservative) pattern. ... They grew E. coli cells in a medium containing the heavy isotope of nitrogen ...

NOVA Online | Cracking the Code of Life | Journey into DNA (non ...

www.pbs.org/wgbh/nova/genome/dna_sans.html

The human body contains about 100 trillion cells, each working together in a complex symphony of interactions. ... (A chromosome pair has identical banding.)  ...

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DNA Replication - Contexo.info

www.contexo.info

Because the two strands of a DNA molecule have complementary base pairs, the ... If the two strands of a DNA molecule are separated, each can be used as a pattern or ... Each template and its new complement together then form a new DNA ... Each cell contains a family of more than thirty enzymes to insure the accurate ...

Assembling the Double Helix: The Structure of DNA - For Dummies

www.dummies.com

In living things, new DNA strands are always put together using a preexisting ... Every DNA molecule has hundreds of thousands of base pairs, and each base ... When inside a cell, the two strands of DNA gently twist around each other ... DNA uses a preexisting DNA strand as a pattern or template in the assembly process.

DNA fingerprinting Facts, information, pictures | Encyclopedia.com ...

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It exists in virtually every cell of the human body and differs in its sequence of ... The complete DNA of each individual is unique, with the exception of identical twins. A DNA fingerprint, therefore, is a DNA pattern that has a unique sequence such ..... As the size of the amplified STR loci is in the range of 200–500 base pairs, ...