Scheda di esercizi di Biologia per i test di ammissione a infermieristica con soluzioni

Che cosa fa un lisosoma?

1. ADigerisce scarti e parti consumate
2. BConserva l'informazione genetica della cellula
3. CCattura l'energia luminosa per la cellula
4. DProduce proteine a partire dagli amminoacidi

Quale di questi è un lipide?

1. AIl DNA
2. BUn trigliceride (grasso)
3. CL'emoglobina
4. DIl glicogeno, la forma di riserva del glucosio

In biology, what is a clone?

1. AAn offspring of two different parents
2. BA cell with an extra chromosome
3. CA genetically identical copy of an organism, cell or gene
4. DAn organism that carries genes from two different species

A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?

1. AThe protein becomes three times longer
2. BNo protein can be made at all
3. CThe protein lacks one amino acid but the rest is unchanged
4. DEvery amino acid after the deletion is changed to a new one

A student switches a light microscope from low power to high power. What happens to the field of view?

1. AIt stays the same size but gets brighter
2. BIt gets larger but less detailed
3. CIt gets larger and brighter
4. DIt gets smaller and usually darker

What happens in the Calvin cycle of photosynthesis?

1. AWater is split to release oxygen
2. BCO₂ is built into sugar using ATP and NADPH
3. CLight is absorbed by chlorophyll
4. DGlucose is broken down to release energy

Un filamento stampo di DNA si legge 3'-TACGGA-5'. Qual è l'mRNA che ne deriva?

1. A5'-ATGCCT-3'
2. B5'-UACGGA-3'
3. C5'-AUGCCU-3'
4. D5'-TACGGA-3'

Why is ATP described as an energy carrier rather than a long-term energy store?

1. AATP contains no energy in its bonds, so it cannot be stored
2. BATP is stored in large amounts in fat tissue
3. CCells hold only a little and constantly recycle it from ADP
4. DATP can be made only in plants