Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Basa mana yang ada pada RNA tetapi tidak pada DNA?

1. ATimin
2. BAdenin
3. CUrasil
4. DGuanin

Mengapa virus tidak dapat bereproduksi sendiri?

1. AVirus bereproduksi hanya di bawah sinar matahari
2. BVirus membutuhkan perangkat sel inang untuk membuat salinan
3. CVirus membelah hanya melalui meiosis
4. DVirus tidak memiliki materi genetik apa pun, baik DNA maupun RNA

What does sterilisation mean?

1. AKilling or removing all microorganisms, including spores
2. BReducing the number of microbes on the skin before an injection
3. CKilling only the viruses on a surface
4. DWashing away visible dirt with water

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AThe pathogen has too few hosts to spread easily
2. BVaccinated people make antibodies for others
3. CThe pathogen mutates into a harmless form
4. DThe vaccine spreads from person to person

Why do chromosomes condense into short, thick shapes before mitosis?

1. ASo that they can leave through the nuclear pores
2. BSo that genes can be transcribed more easily
3. CSo that they can be copied more quickly
4. DSo they can be moved apart without tangling or breaking

A solution of pH 4 is compared with a solution of pH 6. How many times more hydrogen ions does the pH 4 solution have?

1. A100 times
2. B10 times
3. C20 times
4. D2 times

Perubahan mana yang akan membuat difusi melalui membran lebih cepat?

1. AMembran yang lebih tebal
2. BPerbedaan konsentrasi yang lebih besar antara kedua sisi
3. CLuas permukaan pertukaran yang lebih kecil
4. DSuhu yang lebih rendah di kedua sisi

In a family, a trait appears mostly in males. Affected men have daughters who are unaffected, but some of these daughters have affected sons. Which pattern fits best?

1. AAutosomal dominant
2. BX-linked recessive
3. CY-linked
4. DAutosomal recessive with equal sexes