MATERI AJAR VIRUS UNTUK MAPEL BIOLOGI KELAS X

julianaheldy 60 views 55 slides Aug 31, 2025
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About This Presentation

KLASIFIKASI VIRUS DAN PERANNYA


Slide Content

VIRUS JULIANA HELDY POLI

APA ITU VIRUS ? Virus termasuk bagian dari mikroorganisme . Dinamakan bagian dari mikroorganisme karena merupakan makhluk hidup dengan ukuran hanya beberapa mikro atau mungkin lebih kecil dari itu , karena 1 mikron sama dengan 0,001 mm. Virus merupakan organisme parasit , yang mana ia membutuhkan inang untuk bertahan hidup . Virus harus menemukan inang untuk bereproduksi , termasuk melalui sel tubuh manusia . Tanpa menumpang ke tubuh inangnya , ia tidak bisa mereplikasi diri . Beberapa virus bahkan dapat membunuh sel inangnya untuk dapat berkembang biak . Jika ia tidak menemukan inang , virus tidak bisa hidup dalam waktu yang lama

1. PENGERTIAN VIRUS 2. CIRI-CIRI VIRUS 3. PENYAKIT YANG DISEBABKAN OLEH VIRUS

CIRI-CIRI VIRUS Virus sering diperdebatkan statusnya sebagai makhluk hidup karena ia tidak dapat menjalankan fungsi biologisnya secara bebas . Karena karakteristik khasnya ini virus selalu terasosiasi dengan penyakit tertentu , baik pada manusia ( misalnya virus influenza dan HIV dan yg terbaru covid19 ), hewan ( misalnya virus flu burung ), atau tanaman ( misalnya ­virus mosaik tembakau ).

Hanya memiliki satu jenis asam nukleat yang diselubungi oleh kapsid atau selubung protein. Asam nukleat ini yaitu DNA atau RNA. 01 Ukurannya sangat kecil yaitu antara 25 – 300 nm. Untuk 1 nm sama dengan 10-9 m. 02 Tubuh virus tidak berbentuk sel. Sehingga virustidak memiliki inti sel , membran plasma, dan sitoplasma . 03 Virus hanya dapat hidup dan berkembang biak pada sel hidup atau dikenal juga sebagai parasit intraseluler obligat . 04 Virus merupakan suatu makhluk metaorganisme . Makhluk metaorganisme merupakan suatu bentuk peralihan antara benda mati atau memiliki sifat yang dapat dikristalkan dan makhluk hidup atau dapat berkembang biak . 05 Virus memiliki beberapa bentuk tubuh . Bentuk tubuh virus yaitu bulat , batang , bentuk T, dan silindris . 06

C ontoh-contoh virus Merupakan penyakit menular yang disebabkan virus RNA dari keluarga othomyxoviridae. Gejala yang timbul berupa menggigil,demam,sakit tenggorokan,nyeri otot, sakit kepala,batuk,kelelahan. Ditularkan melalui udara, kontak langsung dengan kotoran burung,lendir hidung Serive acute Respiratory sindrome adalah sebuah jenis penyakitb penemuomia . Mirip seperti flu,demam,batuk, radang tenggorokan SARS influenza

Adalah sekumpulan gejala infeksi yang timbul karena kerusakan sistem kekebalan tubuh akibat infeksi virus HIV. Dtularkan secara langsung antara lapisan kulit dalam atau aliran darah Dengan cairan tubuh yang mengandung HIV. Gejala AIDS yaitu infeksi sistematik seperti demam,berkeringat pada malam hari, pembekakan kelenjar, kedinginan, merasa lemah,serta turun berat badan. HIV/AIDS Hepatitis adalah peradangan hati karena disebabkan oleh virus hepatitis a,b,c,d,e. Penyebab non virus adalah alkohol dan obat-obatan. HEPATITIS

Penyakit ini bersifta zoonotik, yaitu dapat ditularkan dari hewan kemanusia . Virus ini disebabkan melalui gigitan hewan. rabies Coronavirus atau disebut juga dengan virus corona merupakan keluarga besar virus yang mengakibatkan terjadinya infeksi saluran pernapasan atas ringan hingga sedang , seperti penyakit flu. Banyak orang terinfeksi virus ini , setidaknya satu kali dalam hidupnya . Corona virus

TERIMA KASIH

P enyakit yang disebabkan oleh virus Mercury is the closest planet to the Sun Venus is the second planet from the Sun Despite being red, is a cold place 01 02 03

Concepts and Typology Type A The planet is full of iron oxide, which gives the planet its reddish cast Type B It’s a gas giant. Jupiter is the fourth-brightest object in the sky Gestational It’s a gas giant, composed mostly of hydrogen and helium 01 02 03

Pathology Mercury is the closest planet to the Sun Mercury Despite being red, Mars is a cold place Mars It’s the biggest planet in the Solar System Jupiter Saturn is the ringed one and a gas giant Saturn

Symptoms of the Disease It’s the closest planet to the Sun Despite being red, is a cold place 01 02 Mercury Mars 50-80 Years 20-50 Years

Risk Factor To modify this graph, click on it, follow the link, change the data and paste the new graph here Mercury is the closest planet to the Sun Mercury It’s the biggest planet in the Solar System Jupiter

Awesome Words

Key Numbers 50,000 20,000 Neptune Mars

—Someone Famous “This is a quote, words full of wisdom that someone important said and can make the reader get inspired.”

Diagnosis It’s the closest planet to the Sun Mercury 01 Jupiter is the biggest planet Jupiter 02 Despite being red, Mars is a cold place Mars 03 Venus has a beautiful name Venus 04

Prevention Mars Venus Jupiter Neptune 0.39 0.09 0.38 Saturn 0.11 0.38 0.15

Treatment Mars Jupiter Despite being red, is actually a cold place. The planet is full of iron oxide dust, which gives the planet its reddish cast It’s a gas giant and the biggest planet in the Solar System. Jupiter is the fourth-brightest object in the sky

Recommendations You can describe here what the patient should do You can describe here what the patient should do You can describe here what the patient should do You can describe here what the patient should do You can describe here what the patient shouldn’t do You can describe here what the patient shouldn’t do You can describe here what the patient shouldn’t do You can describe here what the patient shouldn’t do

Prevalence It’s the closest planet to the Sun Mercury Despite being red, Mars is a cold place Mars 01 02

Conclusions Mercury is the closest planet to the Sun and the smallest one in the Solar System—it’s only a bit larger than the Moon. The planet’s name has nothing to do with the liquid metal, since Mercury was named after the Roman messenger god

Our Team You can replace the image on the screen with your own You can replace the image on the screen with your own John James Jenna Doe

Mockup You can replace the image on the screen with your own work. Just delete this one, add yours and center it properly

References AUTHOR (YEAR). Title of the publication. Publisher AUTHOR (YEAR). Title of the publication. Publisher AUTHOR (YEAR). Title of the publication. Publisher AUTHOR (YEAR). Title of the publication. Publisher AUTHOR (YEAR). Title of the publication. Publisher

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