Werkblad Biologie voor toelatingsexamens verpleegkunde met antwoorden

Wat zijn de bouwstenen (monomeren) van eiwitten?

1. AMonosachariden
2. BAminozuren
3. CNucleotiden
4. DVetzuren

What is a bacteriophage?

1. AA bacterium that infects viruses
2. BA virus that infects bacteria
3. CA white cell that eats bacteria
4. DA fungus that kills bacteria

What is a neuron?

1. AA muscle cell that contracts
2. BA bone cell that stores calcium
3. CA nerve cell that carries electrical signals
4. DA blood cell that carries oxygen around the body

There are 64 possible codons but only about 20 amino acids. What does this tell you about the genetic code?

1. AMost amino acids are coded for by more than one codon
2. BOnly 20 of the codons are ever used
3. CEach codon codes for more than one amino acid at the same time
4. DEach amino acid has exactly three codons

A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?

1. ALet it grow for a longer time
2. BCross it with a TT plant
3. CCross it with a short (tt) plant
4. DCross it with another tall plant

By which process does oxygen enter a cell and carbon dioxide leave it?

1. AEndocytosis in small vesicles
2. BActive transport by membrane pumps
3. CFacilitated diffusion through glucose carriers
4. DSimple diffusion through the lipid bilayer

Mature human red blood cells have no nucleus and no mitochondria. What follows from this?

1. AThey make ATP by aerobic respiration using the oxygen they carry
2. BThey cannot divide and make their ATP by glycolysis only
3. CThey keep making new haemoglobin throughout their life
4. DThey live longer than almost all other body cells

A linear DNA molecule is fully cut by a restriction enzyme, giving fragments of 500, 300 and 200 base pairs. How long was the original molecule?

1. A1500 base pairs
2. B500 base pairs
3. C300 base pairs
4. D1000 base pairs