Werkblad Biologie voor toelatingsexamens verpleegkunde met antwoorden

Which substances are used up in aerobic cellular respiration?

1. AGlucose and carbon dioxide
2. BGlucose and oxygen
3. COxygen and water
4. DCarbon dioxide and water

What is an organism's genotype?

1. AThe alleles it carries for a trait
2. BThe number of cells in its body
3. CThe environment in which it lives
4. DThe traits that can be seen or measured

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

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

In which part of the chloroplast do the light-dependent reactions happen?

1. AIn the thylakoid membranes
2. BIn the outer membrane
3. CIn the cell wall
4. DIn the stroma

Why can an electron microscope show more detail than a light microscope?

1. AElectron microscopes use stronger glass lenses
2. BElectrons have a much shorter wavelength than light
3. CElectron microscopes use living cells only
4. DElectrons are brighter than light

Hoe versnelt een enzym een chemische reactie?

1. AHet verlaagt de activeringsenergie
2. BHet wordt als reactant verbruikt
3. CHet voegt energie toe aan de producten
4. DHet verhoogt de temperatuur van de cel

People who carry one sickle cell allele are more resistant to malaria. Why is the allele common in regions where malaria is widespread?

1. APeople with two sickle alleles are fully healthy there
2. BNatural selection favours the heterozygotes there
3. CMalaria causes the sickle cell mutation directly
4. DThe allele is dominant, so it spreads by itself

The antibiotic tetracycline binds to bacterial ribosomes. Which process does it block, and why are human cells much less affected?

1. ATranscription, because human cells have no RNA polymerase of their own
2. BDNA replication, because bacteria have no DNA polymerase
3. CTranslation, because human cells have no ribosomes
4. DTranslation, because bacterial ribosomes differ from human ribosomes