Werkblad Biologie voor toelatingsexamens verpleegkunde met antwoorden

Which sex chromosomes does a typical human male have?

1. AYY
2. BXY
3. CXX
4. DX only

In science, what is an observation?

1. AA rule that explains all known facts
2. BA guess about why something happens
3. CInformation gathered with the senses or instruments
4. DA conclusion drawn before any data are collected

What are homologous chromosomes?

1. ATwo chromosomes that are always the X and the Y
2. BTwo identical copies of one chromosome made when DNA is replicated
3. CChromosomes that are found only in gametes
4. DA matching pair, one from each parent, that carry the same genes

Which of these is part of the body's innate (non-specific) defence?

1. AMemory B cells from an earlier infection
2. BAntibodies made after vaccination
3. CThe skin and stomach acid
4. DT cells that recognise one virus

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor marrow contains antibiotics that kill cancer
2. BThe donor red cells divide to make more red cells
3. CThe donor stem cells produce new, healthy blood cells
4. DThe transplant replaces the patient's bones

Wat is de basisbouw van een virus?

1. AEen keten van aminozuren zonder DNA of RNA
2. BEen celkern omgeven door een celwand
3. CEen enkele cel met ribosomen en mitochondriën
4. DErfelijk materiaal in een eiwitmantel

Why can standard DNA profiling not tell identical twins apart?

1. AOnly one twin inherits the father's DNA
2. BIdentical twins come from one zygote and have the same DNA
3. CTwins always share the same fingerprints on their hands
4. DIdentical twins have no non-coding DNA

A point mutation changes a codon in the middle of a gene into a stop codon. What is the most likely effect?

1. AA shortened protein that usually does not work
2. BA protein that is longer than normal
3. CA protein with one different amino acid
4. DNo change, because stop codons are ignored