Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Dauguma fermentų priklauso kuriai biomolekulių grupei?

1. ABaltymams
2. BAngliavandeniams
3. CLipidams
4. DMineralinėms medžiagoms

Which kind of organism causes malaria?

1. AA bacterium carried in water
2. BA protist carried by mosquitoes
3. CA fungus that grows on skin
4. DA virus spread by coughing

Kas mokslinio tyrimo metode yra hipotezė?

1. AAtliktų matavimų sąrašas
2. BPlatus paaiškinimas, pagrįstas daugeliu eksperimentų
3. CPatikrinamas paaiškinimas arba prognozė
4. DĮrodytai teisinga išvada

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe independent variable
2. BThe controlled variable
3. CThe dependent variable
4. DThe time the experiment started

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

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

Kas lemia baltymo formą ir funkciją?

1. AJo aminorūgščių seka
2. BGliukozės kiekis ląstelėje
3. CRiebalų rūgščių tvarka membranoje
4. DJo turimų fosfatų grupių skaičius

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

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

Why does the influenza vaccine need to be updated most years?

1. AThe vaccine damages the immune system after one year, so it must be repeated
2. BThe virus keeps changing its surface proteins through mutation
3. CInfluenza is caused by a different bacterium each year
4. DAntibodies cannot be made against viruses