BIOL 102 Lecture Notes - Lecture 11: Transgene, Chromosome, Prophage

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Wo(cid:374)"t ha(cid:448)e thi(cid:374)gs that (cid:449)ere(cid:374)"t (cid:373)e(cid:374)tio(cid:374)ed i(cid:374) le(cid:272)tures. A virus consists of a nucleic acid surrounded by a protein coat. They reproduce by lytic and lysogenic cycles and have a narrow range organisms they can infect and replicate in. Dna sequencing and dna cloning are valuable tools for genetic engineering and biologically inquiry. Biologists use dna tech to study gene expression and function. Cloned organisms and stem cells are useful for basic research and other applications. A practical applications of dna based biotech affect our lives in many ways. Viruses called bacteriophages can infect and genetically takeover bacteria such as. Viruses lead (cid:862)a ki(cid:374)d of (cid:271)orro(cid:449)ed life(cid:863) (cid:271)et(cid:449)ee(cid:374) life-forms and chemicals. Origins and molecular biology lie in early studies of viruses that infect bacteria. Double or single stranded dna or double or single stranded rna. A virus is called either dna virus or rna virus based on its type of nucleic acid. Capsids are built form protein subunits called capsomeres.

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