Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What are the parts of a triglyceride (a fat molecule)?

1. AThree glucose units and one phosphate
2. BTwo glycerols and one fatty acid
3. COne amino acid and three fatty acids
4. DOne glycerol and three fatty acids

Apa yang tidak dimiliki sel prokariot, seperti bakteri?

1. ARibosom
2. BNukleus yang dibungkus membran
3. CMembran sel
4. DMateri genetik berupa DNA

What is the main job of the cell wall in a plant cell?

1. ATo support the cell and stop it from bursting
2. BTo release energy from glucose
3. CTo make proteins for the cell
4. DTo control which genes are switched on in the nucleus

What does RNA polymerase do?

1. AIt copies the whole genome before cell division
2. BIt builds a protein from an mRNA template
3. CIt builds an RNA strand from a DNA template
4. DIt removes introns from pre-mRNA

Saat berolahraga berat, sel otot kekurangan oksigen. Apa yang dihasilkannya dari glukosa sebagai gantinya?

1. AATP dalam jumlah besar dan oksigen
2. BGlikogen dan air
3. CAlkohol dan karbon dioksida
4. DAsam laktat (laktat) dan sedikit ATP

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

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

Dalam uji coba obat, satu kelompok menerima pil gula yang tampak seperti obat sebenarnya. Mengapa?

1. AUntuk mengendalikan efek plasebo, yaitu perbaikan akibat harapan akan pengobatan
2. BUntuk memastikan setiap pasien sembuh
3. CUntuk menghemat biaya obat yang sebenarnya
4. DUntuk meningkatkan dosis obat yang sebenarnya

Bacteria from hot springs have enzymes that work best at about 80 °C, while most human enzymes work best near 37 °C. What is the best explanation?

1. ATheir enzymes have structures that stay stable at high temperatures
2. BTheir enzymes are made of lipids, not proteins
3. CTheir enzymes do not have an active site, so heat cannot affect them
4. DHigh temperature never affects any enzyme