Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami
Darmowa karta pracy do druku – Biologia na egzaminy wstępne na pielęgniarstwo: 8 zadań od łatwych do poziomu egzaminu, z kluczem odpowiedzi. Wydrukuj ją lub zapisz jako PDF.
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Imię: ____________________ Data: ____________
1.Łatwy
How many strands does an RNA molecule usually have?
AOne
BThree
CTwo
DFour
2.Łatwy
How many millilitres are in one litre?
A10
B100
C1000
D10 000
3.Łatwy
Which sex chromosomes does a typical human male have?
AYY
BXY
CX only
DXX
4.Średni
In gel electrophoresis, why does DNA move towards the positive electrode?
ADNA has a negative charge from its phosphate groups
BDNA has no charge and moves at random
CDNA has a positive charge from the nitrogen bases it contains
DDNA is pulled by gravity through the gel
5.Średni
Co oznacza „diploidalny"?
AKomórka może podzielić się tylko raz
BKomórka ma dwa zestawy chromosomów
CKomórka nie ma jądra
DKomórka ma jeden zestaw chromosomów
6.Średni
What is a prion?
AA fungal spore that infects the brain
BA misfolded protein that causes normal proteins to misfold
CA bacterium without a cell wall that lives inside nerve cells
DA very small virus with a DNA genome
7.Trudny
When caring for a patient with C. difficile infection, why is hand washing with soap and water preferred over alcohol hand rub?
ASoap and water are faster than alcohol rub
BSoap kills the spores, but alcohol only kills viruses and not bacteria
CAlcohol does not kill its spores, but washing removes them
DAlcohol makes the spores more infectious
8.Trudny
Plasmids with an ampicillin-resistance gene are mixed with bacteria, which are then spread on a plate containing ampicillin. Why do only a few colonies grow?
AOnly the bacteria that took up the plasmid can survive
BAll the bacteria die, and the colonies are fungi
CThe plasmid kills the bacteria that do not grow
DAmpicillin makes some bacteria take up the plasmid
Klucz odpowiedzi
1. A · One
2. C · 1000
3. B · XY
4. A · DNA has a negative charge from its phosphate groups
5. B · Komórka ma dwa zestawy chromosomów
6. B · A misfolded protein that causes normal proteins to misfold
7. C · Alcohol does not kill its spores, but washing removes them
8. A · Only the bacteria that took up the plasmid can survive
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