Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

What is a neuron?

1. AA nerve cell that carries electrical signals
2. BA muscle cell that contracts
3. CA blood cell that carries oxygen around the body
4. DA bone cell that stores calcium

What is a haploid cell?

1. AA cell with two sets of chromosomes
2. BA cell with an extra chromosome
3. CA cell with no nucleus
4. DA cell with one set of chromosomes

Kokiu vienetu dažniausiai nurodomas ląstelės dydis?

1. AMetrais (m)
2. BLitrais (L)
3. CKilometrais (km)
4. DMikrometrais

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

1. ARough ER, then Golgi apparatus, then vesicle, then cell membrane
2. BSmooth ER, then mitochondrion, then vesicle, then cell membrane
3. CGolgi apparatus, then rough ER, then nucleus, then cell membrane
4. DNucleus, then lysosome, then Golgi apparatus, then cell membrane

Kuo sotieji riebalai skiriasi nuo nesotųjų riebalų?

1. AJie lengvai tirpsta vandenyje
2. BJie neturi C=C dvigubų ryšių ir paprastai yra kieti
3. CJie turi azoto ir sudaro baltymus
4. DJie turi daug dvigubų ryšių ir kambario temperatūroje yra skysti

Dolly the sheep was cloned by putting the nucleus of an adult body cell into an egg cell whose nucleus had been removed. Whose nuclear DNA did Dolly have?

1. AThe sheep that gave the egg cell
2. BThe sheep that carried the pregnancy
3. CThe sheep that gave the body cell nucleus
4. DAn equal mix of all three sheep

Five recovery times in days are 5, 6, 6, 7 and 30. Which value best describes a typical recovery time, and why?

1. AThe median of 6, because the outlier pulls the mean up
2. BThe range of 25, because it shows the spread
3. CThe mean of 10,8, because it uses every value
4. DThe maximum of 30, because it shows the worst case

A pre-mRNA is 3000 bases long, and 1200 bases of introns are removed. If all remaining bases code for amino acids, what is the largest number of amino acids in the protein?

1. A1000
2. B400
3. C600
4. D1800