Werkblad Biologie voor toelatingsexamens verpleegkunde met antwoorden

Gratis printbaar werkblad Biologie voor toelatingsexamens verpleegkunde: 8 opgaven van makkelijk tot tentamenniveau, met antwoordenblad. Print het of sla het op als pdf.

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Naam: ____________________   Datum: ____________

1.Makkelijk

What is a stem cell?

  1. AA plant cell found only in the stem
  2. BAn unspecialised cell that can divide and become other cell types
  3. CA cell that carries oxygen in the blood
  4. DA fully specialised cell that can no longer divide or change its type
2.Makkelijk

What is a pedigree in genetics?

  1. AA list of all the genes in an organism
  2. BA table of codons and amino acids
  3. CA chart that shows how a trait is inherited in a family
  4. DA picture of a person's chromosomes arranged in pairs by size
3.Makkelijk

What are restriction enzymes?

  1. AEnzymes that copy RNA into DNA
  2. BEnzymes that cut DNA at specific base sequences
  3. CEnzymes that digest fats in the intestine
  4. DEnzymes that join amino acids into proteins
4.Gemiddeld

What happens to an enzyme after it has catalysed a reaction?

  1. AIt is broken down into amino acids
  2. BIt changes into the substrate
  3. CIt becomes part of the product and leaves with it
  4. DIt is released unchanged and can be used again
5.Gemiddeld

What is a bacterial endospore?

  1. AA reproductive cell that bacteria use to make new colonies quickly
  2. BA tough, dormant form that survives heat, drying and many disinfectants
  3. CA hair-like structure used to swim towards food
  4. DA small ring of DNA that carries antibiotic resistance genes
6.Gemiddeld

What is the job of the checkpoints in the cell cycle?

  1. ATo stop the cycle if the DNA is damaged or the cell is not ready
  2. BTo join the two daughter cells back together
  3. CTo speed up division whenever the cell is short of nutrients or space
  4. DTo copy the DNA a second time before mitosis
7.Moeilijk

Why can a scientific hypothesis never be proven true with absolute certainty?

  1. ANew evidence could always contradict it in the future
  2. BEvery experiment contains a mistake
  3. CScientists are not allowed to reach any conclusions
  4. DHypotheses are only opinions and cannot be tested
8.Moeilijk

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

  1. AHawks make the pesticide in their own bodies
  2. BEach predator eats many prey, so the pesticide builds up at each level
  3. CThe pesticide is broken down faster in insects than in plants
  4. DHawks eat the crops directly, so they take in the most pesticide of all

Antwoordenblad

  1. 1. B · An unspecialised cell that can divide and become other cell types
  2. 2. C · A chart that shows how a trait is inherited in a family
  3. 3. B · Enzymes that cut DNA at specific base sequences
  4. 4. D · It is released unchanged and can be used again
  5. 5. B · A tough, dormant form that survives heat, drying and many disinfectants
  6. 6. A · To stop the cycle if the DNA is damaged or the cell is not ready
  7. 7. A · New evidence could always contradict it in the future
  8. 8. B · Each predator eats many prey, so the pesticide builds up at each level

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