Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

What do receptor proteins in the cell membrane do?

1. AThey digest bacteria that enter the cell
2. BThey make ATP for the cell
3. CThey store the cell's genetic code for making proteins
4. DThey bind specific signal molecules, such as hormones

Which feature helps a sperm cell carry out its job?

1. AA cell wall for protection
2. BA flagellum for swimming
3. CChloroplasts for making food
4. DA large vacuole for storing water

What does sterilisation mean?

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

What is a random sample?

1. AA group where everyone in the population has an equal chance of being chosen
2. BA group made only of people who volunteer to take part
3. CA group chosen by the researcher because they are easy to reach and willing
4. DA group chosen because they are likely to support the hypothesis

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

Why do root hair cells have long, thin extensions?

1. ATo store starch for the winter
2. BTo increase the surface area for absorbing water
3. CTo carry out photosynthesis underground
4. DTo anchor the plant firmly against strong winds and rain

Matka z grupą krwi A (genotyp Iᴬi) i ojciec z grupą B (Iᴮi) mają dzieci. Jakie grupy krwi są możliwe?

1. AA, B, AB i O
2. BTylko A i B
3. CTylko AB
4. DTylko A, B i AB

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

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