Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which list gives the main taxonomic ranks from broadest to most specific?

1. ADomain, kingdom, phylum, class, order, family, genus, species
2. BSpecies, genus, family, order, class, phylum, kingdom, domain
3. CDomain, phylum, kingdom, order, class, genus, family, species
4. DKingdom, domain, class, phylum, family, order, species, genus

Which pigment absorbs light energy for photosynthesis?

1. AMelanin
2. BHaemoglobin
3. CChlorophyll
4. DKeratin

What does it mean that a cell membrane is selectively permeable?

1. AIt lets every substance cross freely in both directions
2. BIt lets no substance cross at all
3. CIt lets some substances cross but not others
4. DIt lets only water molecules cross

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

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

Which type of graph is best for comparing the number of patients with each ABO blood type?

1. AA line graph
2. BA histogram
3. CA scatter plot
4. DA bar graph

Sickle cell disease is caused by a single base change that replaces one amino acid in haemoglobin. What type of mutation is this?

1. AA frameshift mutation
2. BA silent mutation
3. CA nonsense mutation
4. DA missense mutation

Molekul yang bentuknya mirip substrat berikatan dengan sisi aktif enzim dan memperlambat reaksi. Bagaimana pengaruhnya dapat dikurangi?

1. ADengan menambahkan lebih banyak inhibitor
2. BDengan menghilangkan semua air dari reaksi
3. CDengan menambahkan jauh lebih banyak substrat
4. DDengan menurunkan jumlah substrat

Bacteria in a closed flask grow quickly at first, but the population then stops increasing. What is the main reason?

1. AThe bacteria stop dividing once they reach adult size
2. BThe flask becomes too cold for growth
3. CThe bacteria change into viruses after many divisions
4. DNutrients run out and waste products build up