Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

What do centrioles do in an animal cell?

1. AThey store the cell's digestive enzymes until they are needed
2. BThey make lipids for the cell membrane
3. CThey help organise the spindle during cell division
4. DThey capture light for photosynthesis

Where in the cell does glycolysis take place?

1. AIn the chloroplast
2. BIn the nucleus
3. CIn the cytoplasm
4. DIn the mitochondrial matrix

What is the main material in the cell walls of fungi?

1. ACollagen
2. BPeptidoglycan
3. CCellulose
4. DChitin

In disease spread, what is a vector?

1. AA medicine that destroys a pathogen in the body
2. BAn organism that carries a pathogen between hosts
3. CThe first person to catch a disease
4. DA blood test used to detect antibodies

Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?

1. AIn the nucleus
2. BIn the mitochondrial matrix
3. CIn the cytoplasm
4. DOn the rough endoplasmic reticulum

Kokia yra pagrindinė viruso sandara?

1. AAminorūgščių grandinė be DNR ar RNR
2. BViena ląstelė su ribosomomis ir mitochondrijomis
3. CGenetinė medžiaga baltyminiame apvalkale
4. DBranduolys, apsuptas ląstelės sienelės

A scientist wants to show that a particular microbe causes a disease. According to Koch's postulates, which step is needed?

1. AThe microbe grown from a sick host must cause the disease in a healthy host
2. BThe microbe must be found in healthy hosts just as often as in sick hosts
3. CThe microbe must be seen in the blood under a light microscope
4. DThe disease must be treated successfully with antibiotics

Why are modified viruses often used to deliver genes in gene therapy?

1. AViruses naturally insert their genetic material into host cells
2. BViruses can reproduce without a host cell
3. CViruses produce antibodies that fix faulty genes
4. DViruses are larger than human cells, so they can carry many genes