Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a heterotroph?

1. AAn organism with no cells
2. BAn organism that makes its own food by photosynthesis
3. CAn organism that lives only in water
4. DAn organism that gets its food from other organisms

What is the pH of pure water at 25 °C?

1. A7
2. B0
3. C14
4. D1

Apa itu gen?

1. ASegmen DNA yang mengkode suatu produk seperti protein
2. BProtein yang menyalin DNA sebelum pembelahan sel
3. CSeperangkat lengkap semua kromosom sebuah sel
4. DJenis sel yang membawa sifat keturunan

Why are G–C base pairs held together more strongly than A–T pairs?

1. AG–C pairs form three hydrogen bonds, and A–T pairs form two
2. BA–T pairs are found only in RNA
3. CG and C are both purines, so they fit more tightly
4. DG–C pairs are joined by strong covalent bonds instead of hydrogen bonds

Tanaman berbunga merah disilangkan dengan tanaman berbunga putih, dan semua keturunannya berbunga merah muda. Apa yang ditunjukkan hal ini?

1. ADominansi tidak penuh
2. BDominansi penuh
3. CKodominansi
4. DSifat terpaut kelamin

What is the role of ribosomal RNA (rRNA)?

1. AIt stores genetic information in the nucleus
2. BIt forms part of the ribosome and helps join amino acids
3. CIt carries the code from DNA to the ribosome
4. DIt brings single amino acids to the ribosome

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

1. AHawks eat the crops directly, so they take in the most pesticide of all
2. BThe pesticide is broken down faster in insects than in plants
3. CEach predator eats many prey, so the pesticide builds up at each level
4. DHawks make the pesticide in their own bodies

At 100× total magnification, the field of view of a microscope is 2 mm wide. What is its width at 400×?

1. A0,5 mm
2. B2 mm
3. C0,2 mm
4. D8 mm