Werkblad Biologie voor toelatingsexamens verpleegkunde met antwoorden

Which enzyme unwinds the DNA double helix and separates the two strands for copying?

1. AHelicase
2. BAmylase
3. CLipase
4. DLigase

Which organelle makes lipids and helps break down drugs and toxins in liver cells?

1. ARough endoplasmic reticulum
2. BNucleolus
3. CSmooth endoplasmic reticulum
4. DCentriole

Wat doet een lysosoom?

1. AHet verteert afval en versleten onderdelen
2. BHet vangt lichtenergie op voor de cel
3. CHet slaat de erfelijke informatie van de cel op
4. DHet maakt eiwitten uit aminozuren

Golden rice was genetically modified to make beta-carotene. What is the aim?

1. ATo make the rice grow faster in cold climates
2. BTo help prevent vitamin A deficiency
3. CTo increase the protein content of the rice
4. DTo make the rice resistant to all insects

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. ANone
2. BAll
3. COne quarter
4. DOne half

A thermometer gives readings of 36,1, 36,1 and 36,2 °C for a water bath that is really at 37,0 °C. How are these readings best described?

1. ANeither accurate nor precise
2. BAccurate but not precise
3. CBoth accurate and precise
4. DPrecise but not accurate

At dawn, a plant shows no overall uptake or release of oxygen or carbon dioxide. What is the best explanation?

1. AIt has stopped both photosynthesis and respiration until it is light
2. BIts rate of photosynthesis equals its rate of respiration
3. CIts stomata are permanently closed at dawn
4. DIt only respires at dawn

Cells lining the small intestine have tiny finger-like folds of membrane called microvilli. What does this tell you about their job?

1. AThey protect the gut from bacteria by producing mucus
2. BThey make digestive enzymes in large amounts
3. CThey absorb substances, so they need a large surface area
4. DThey move food along by beating like cilia