A coloured scanning electron micrograph (SEM) of the head of a maggot or the larva of a bluebottle fly (Protophormia sp.) with tiny teeth-like fangs extending from its mouth. The maggots of this fly ...
Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Long, slender DNA ...
Bacteriophage (colored transmission electron micrograph). Bacteriophages are viruses that infect bacteria; this one, a T4 bacteriophage (orange), has just injected its viral DNA into an E. coli ...
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