Bank Soal Biologi SMA Jenis-Jenis Mutasi
Soal
Mutasi pada tingkatan gen akibat adanya penggantian basa nitrogen oleh basa nitrogen sejenis ataupun berbeda jenis disebut ....
Pembahasan:
sumber: pinterest.com
Mutasi tingkat gen dapat terjadi akibat perubahan jumlah basa nitrogen, perubahan jenis basa nitrogen, dan perubahan letak urutan basa nitrogen pada rantai nukleotida. Mutasi akibat terjadinya perubahan jenis basa nitrogen disebut juga sebagai pergeseran tautomerik (tautomeric shift). Pergeseran tautomerik dapat disebabkan oleh penggantian basa nitrogen sejenis yaitu sesama basa purin/basa pirimidin (substitusi transisi) atau berlawanan jenis yakni basa purin digantikan basa pirimidin (substitusi transversi) .
Jadi jawaban yang tepat untuk soal tersebut adalah tautomeric shift.
*Frameshift mutation, pergeseran kerangka baca triplet basa nitrogen akibat perubahan jumlah basa nitrogen.
*Silent mutations, mutasi diam karena tidak ada perubahan asam amino yang disandi oleh rantai nukleotida.
*Point mutations, mutasi titik atau mutasi gen.
*Transposisi, mutasi akibat perubahan letak urutan basa nitrogen pada rantai nukleotida.
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Template: canva.com
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Source: canva.com
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(disadur dari : www.detik.com)
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Source: http://www.teenink.com/nonfiction/personal_experience/article/217828/Justin-Bieber-Concert?page=9
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Unsur yang bersifat tersirat dan disampaikan penyair melalui kata, larik, dan bait dalam puisi adalah definisi dari salah satu unsur pembangun puisi yaitu ....
Cermati pilihan berikut!
- Faktual
- Non-faktual
- Berisi opini pribadi
- Berisi fakta yang bisa dibuktikan
- Bahasa yang digunakan singkat, padat, dan lugas
- Bahasa yang digunakan bertele-tele
Berdasarkan pilihan di atas, yang termasuk ciri-ciri berita adalah ....
Jika titik dan , maka koordinat posisi titik terhadap titik adalah ....
A baker wants to buy bread ingredients because he is running out of supplies. He asked one of the staff to buy some of them. Look at the shopping list below.
Template: canva.com
Which picture illustrates the phrase “a sack of flour”?
Pertandingan sepak bola antara klub PSMS Medan dengan klub Semen Padang akan diselenggarakan di Stadion Teladan. Tiket khusus VIP telah terjual sebanyak 450 tiket. Panitia menetapkan harga tiket untuk pelajar adalah Rp. 20.000, dan harga tiket untuk orang dewasa adalah Rp. 45.000. Total pendapatan yang diterima panitia dari penjualan tiket tersebut adalah Rp. 15.950.000. Berapakah masing-masing jumlah tiket yang terjual untuk pelajar dan orang dewasa?
Look at the table below.
Source: canva.com
Make sentences with 'can' or 'can't' with the verbs in the brackets and join them with 'and' or 'but.'
A. Kelly (cook/dance)
B. Andy (sing/type)
C. John (cook/ski)
Which one is the most suitable statement for point A?
Apa saja unsur yang terdapat pada iklan yang terdapat pada media televisi?
Diketahui , maka untuk , kita peroleh
Perhatikan teks ulasan berikut!
Addie MS bukan orang baru di dunia musik Tanah Air. Karyanya cukup banyak tercatat dan dinikmati banyak orang. Ayah dari Kevin Aprillio tersebut memulai kariernya sejak 1979. Bakat musiknya turun dari sang kakek, Muhammad Soesilo, seorang pianis. Addie MS lebih banyak belajar musik secara otodidak meski ia juga berguru kepada Mrs. Rotti. Kariernya langsung menanjak setelah sukses memproduseri album dari beberapa penyanyi pop. Dari tangan dinginnya, lahir karya-karya yang sering dibawakan oleh Vina Panduwinata, Utha Likumahuwa, Chrisye, Krisdayanti, dan lainnya.
(disadur dari : www.detik.com)
Kekurangan yang tergambar dari teks tersebut adalah ….
Read the following text and answer the question.
Source: www.dnaindia.com
Driving into Chicago on March 25, after sitting in the car for three hours, Nadia and I were very anxious to get there. We parked the car and grabbed the tickets. All girls dressed in tall heart socks, short jean shorts, and Justin Bieber t-shirts. Then, the crew checked our tickets and we walked straight to the souvenir stand. We waited about twenty minutes before we got to the front table to get our shirts.
After that, we tried to look for our seats which were on the second floor and we found them. People were starting chants such as “Justin-Bieber, Bieber, and we want Bieber”. Nadia and I just couldn't resist and had to join in! The DJ started talking and the curtains opened. Everyone screamed. There were two opening acts that did about five songs each. After they were done, the DJ asked if we were ready for Bieber time! All of us were ready to watch Justin Bieber.
I pulled my camera out and got it ready to flash a picture as soon as his face showed. The countdown started on the screen and every single person in that theatre screamed the loudest they have probably ever screamed in their life. Justin jogged out and started to sing “That Should Be Me”. He then talked awhile thanking us for the support and being such great fans. He continued singing all the songs in his new album.
Walking out of the theatre that night we were disappointed it was over, but very happy we got to see Justin. It was very tight, but that was the time we got to share the awesome experience with my mom. After three hours of driving, we got home at 1:30 in the morning, even though we still had school the next morning. We were so tired, four and a half hours asleep felt like nothing, but that day at school we got to show off our shirts, pictures, wonderful experience with everyone and still we have flash backs of millions of girls screaming and that one second when the curtains opened to Justin Bieber.
Source: http://www.teenink.com/nonfiction/personal_experience/article/217828/Justin-Bieber-Concert?page=9
The people chant “Justin-Bieber, Bieber, and we want Bieber” … they wanted to welcome Justin to the stage.
