Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Which gas do plants take in from the air for photosynthesis?

1. AOxygen
2. BCarbon dioxide
3. CNitrogen
4. DHydrogen

Which protein gives strength to skin, tendons and bone?

1. AMyosin
2. BHaemoglobin
3. CAmylase
4. DCollagen

In which stage of the cell cycle does a cell spend most of its time?

1. AProphase
2. BMetaphase
3. CAnaphase
4. DInterphase

Raudonoji kraujo ląstelė patalpinama į gryną vandenį. Kas greičiausiai nutiks?

1. AJi išbrinks ir gali sprogti
2. BJi susitrauks ir susiraukšlės
3. CJi pasidalys į dvi ląsteles
4. DJos dydis nepasikeis

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AFat, then glycogen, then ATP
2. BATP, then fat, then glycogen
3. CATP, then glycogen, then fat
4. DGlycogen, then ATP, then fat

Why do red blood cells have a flattened, biconcave disc shape?

1. AIt helps them divide faster
2. BIt lets them hold a larger nucleus and more DNA
3. CIt gives a large surface area for gas exchange
4. DIt makes them stick to vessel walls

Some viruses are surrounded by a lipid envelope taken from the host cell's membrane. Why are these viruses usually inactivated easily by soap and alcohol?

1. ASoap and alcohol dissolve the viral DNA directly
2. BSoap and alcohol break up the lipid envelope
3. CEnveloped viruses have no proteins at all
4. DThe envelope is made of chitin, which soap digests

Which evidence supports the theory that mitochondria came from bacteria that lived inside an ancient cell?

1. AThey make the proteins used by the whole cell, including the nucleus
2. BThey have a cell wall made of peptidoglycan
3. CThey are found in all prokaryotic cells
4. DThey have their own circular DNA, ribosomes and a double membrane