Werkblad Biologie voor toelatingsexamens verpleegkunde met antwoorden

What are the bacteria called that normally live on the skin and in the gut without causing disease?

1. APathogens
2. BVectors
3. CPrions
4. DNormal flora

What does the polymerase chain reaction (PCR) do?

1. AIt separates proteins by their charge
2. BIt cuts DNA at specific sequences
3. CIt turns RNA into protein
4. DIt makes many copies of a piece of DNA

What is the active site of an enzyme?

1. AThe region where the substrate binds
2. BThe gene that codes for the enzyme
3. CThe product formed by the reaction
4. DThe part of the cell where the enzyme is made

Wat gebeurt er tijdens transcriptie?

1. AUit een mRNA-boodschap wordt een eiwit opgebouwd
2. BVan een gen wordt een mRNA-kopie van DNA gemaakt
3. CAan het ribosoom worden aminozuren aan elkaar gekoppeld
4. DHet hele DNA-molecuul wordt voor de deling gekopieerd

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 another tall plant
3. CCross it with a TT plant
4. DCross it with a short (tt) plant

A protein is made to be secreted out of the cell. What path does it follow?

1. ASmooth ER, then mitochondrion, then vesicle, then cell membrane
2. BGolgi apparatus, then rough ER, then nucleus, then cell membrane
3. CRough ER, then Golgi apparatus, then vesicle, then cell membrane
4. DNucleus, then lysosome, then Golgi apparatus, then cell membrane

An mRNA reads AUG-UUU-GGC-UAA. How many amino acids are in the protein made from it?

1. A4
2. B2
3. C3
4. D12

Why do cells get far more ATP from glucose when oxygen is present than when it is absent?

1. AWithout oxygen only glycolysis runs, giving a net of 2 ATP per glucose
2. BWithout oxygen, glucose cannot enter the cell or be broken down at all
3. CWithout oxygen the Krebs cycle runs faster but makes less ATP
4. DOxygen itself is converted into ATP in the mitochondria