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VIRUS

VIRUS. Kelompok 7: Yasinta Choirina Arthanur Rifqi Hidayat Muhammad Aryo Prasetyo Danang Setiono. PENGERTIAN VIRUS.

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VIRUS

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  1. VIRUS Kelompok 7: Yasinta Choirina Arthanur Rifqi Hidayat Muhammad Aryo Prasetyo Danang Setiono

  2. PENGERTIAN VIRUS Virus adalahparasitberukuranmikroskopik yang menginfeksiselorganismebiologis. Dalamselinang, virus merupakanparasitobligat. Virus hanyadapatbereproduksididalam material hidup

  3. CIRI-CIRI VIRUS • Mempunyaipembungkusatauselubung yang disebutkapsid. • Memilikibahanintiberupa DNA atau RNA • Tidakmempunyaiprotoplasma • Berukuran 20-300 milimikron

  4. SIFAT VIRUS • Hanyadapathiduppadaorganismehidup • Peralihanantarabendamatidanmakhlukhidup • Dapatmengenaliinangnya

  5. BENTUK VIRUS • helik (helical virus) • polyhedral

  6. Virus yang berkulit • Virus komplek

  7. Reproduksi Virus • Daur litik (litic cycle)1. Fase Adsorbsi (fase penempelan)2. Fase Injeksi (memasukkan asam inti)3. Fase Sintesis (pembentukan) • 4. Fase Assembliy(perakitan)5. Fase Litik (pemecahan sel inang)

  8. Daur lisogenik (lisogenic cycle)1. Fase Penggabungan • 2. Fase Pembelahan3. Fase Sintesis4. Fase Perakitan5. Fase Litik

  9. Klasifikasi Virus Virus DNA Virus RNA • Parvovirus • Aviadenovirus • Mastadenovirus • Herpesvirus • Iridovirus • Orthopoxvirus • Enterivirus • Reovirus • Alphavirus • Pneumovirus • Influensavirus • Leukovirus • Lyssavirus • Arenavirus

  10. Peran Virus bagiKehidupan Menguntungkan • MengidentifikasikanBakteri Pathogen • biopestisidauntukmembasmihamatanaman Merugikan • Virus mosaik, menyerangtanamankentang • Citrus Vein Phloem Degeneratif (CVPD), menyerangjeruk. • Tobacco Mosaic Virus, menyerangtanamantembakau

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