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481364
Caption: Gel electrophoresis uses an electric field, and positive and negative electrodes, to separate DNA molecules according to size.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 30.90 MB
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481520
Caption: DNA molecule and detailed view illustrating nucleotides.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 28.92 MB
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481531
Caption: DNA replication in higher organisms begins at multiple origins of replication and progresses in two directions.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 14.59 MB
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481514
Caption: Recombinant DNA technology can be used to breed knockout (homozygous) offspring for studying the effects of gene inactivation.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 24.90 MB
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481340
Caption: In semiconservative DNA replication an existing DNA molecule separates into two template strands to which new nucleotides align.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 31.01 MB
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481454
Caption: Genetically modified organisms are produced using scientific methods that include recombinant DNA technology.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 24.90 MB
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481061
Caption: To obtain a complementary DNA (cDNA) library, mRNA molecules are treated with reverse transcriptase, which makes a DNA copy.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 26.63 MB
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481218
Caption: DNA wraps around histone proteins to form nucleosomes, which condense into a chromatin fibre, which condenses into a chromosome.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 26.63 MB
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480983
Caption: A genomic DNA library contains the number of clones needed to encompass the entire donor genome.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 26.63 MB
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481295
Caption: The structure of an antibody molecule represents the dramatic rearrangements of DNA that occur in the immune systems of mammals.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 40.75 MB
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248742
Caption: A picture of a dna hand
Artist: ImageZoo
Release: Not Applicable
File Size: 31.92 MB