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Enterobacteria phage T4. Escherichia virus T4 is a species of bacteriophages that infect Escherichia coli bacteria. It is a double-stranded DNA virus in the subfamily Tevenvirinae of the family Straboviridae. T4 is capable of undergoing only a lytic life cycle and not the lysogenic life cycle.
Bacteriophage. Anatomy and infection cycle of bacteriophage T4. A bacteriophage ( / bækˈtɪərioʊfeɪdʒ / ), also known informally as a phage ( / ˈfeɪdʒ / ), is a virus that infects and replicates within bacteria and archaea. The term was derived from "bacteria" and the Greek φαγεῖν ( phagein ), meaning "to devour".
Iodine is an essential trace element in biological systems. It has the distinction of being the heaviest element commonly needed by living organisms as well as the second-heaviest known to be used by any form of life (only tungsten, a component of a few bacterial enzymes, has a higher atomic number and atomic weight ).
Escherichia virus Lambda. Bacteriophage Lambda Structural Model at Atomic Resolution [ 1] Enterobacteria phage λ ( lambda phage, coliphage λ, officially Escherichia virus Lambda) is a bacterial virus, or bacteriophage, that infects the bacterial species Escherichia coli ( E. coli ). It was discovered by Esther Lederberg in 1950. [ 2]
Species: Escherichia virus T4. Strain: Enterobacteria phage T2. Enterobacteria phage T2 is a virus that infects and kills E. coli. It is in the genus Tequatrovirus, and the family Myoviridae. Its genome consists of linear double-stranded DNA, with repeats at either end. The phage is covered by a protective protein coat.
Leydig cells, also known as interstitial cells of the testes and interstitial cells of Leydig, are found adjacent to the seminiferous tubules in the testicle and produce testosterone in the presence of luteinizing hormone (LH). [ 1][ 2] They are polyhedral in shape and have a large, prominent nucleus, an eosinophilic cytoplasm, and numerous ...
The polio virus is 30 nm in diameter. [ 1] Transmission electron microscopy ( TEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image. The specimen is most often an ultrathin section less than 100 nm thick or a suspension on a grid. An image is formed from the interaction of the electrons ...
Thiomargarita namibiensis is a harmless, gram-negative, facultative anaerobic, coccoid bacterium found in the ocean sediments of the continental shelf of Namibia. [ 1] The genus name Thiomargarita means "sulfur pearl." This refers to the appearance of the cells as they contain microscopic sulfur granules that scatter incident light, lending the ...