Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Kokiose struktūrose iš aminorūgščių sudaromi baltymai?

1. AVakuolėse
2. BRibosomose
3. CLizosomose
4. DCentriolėse

What is a monosaccharide?

1. AA chain of many amino acids
2. BTwo sugars joined together, such as sucrose
3. CA single sugar unit, such as glucose
4. DA fat made of glycerol and fatty acids

What is natural selection?

1. AAnimals choosing which mates they like best, so traits change at random
2. BOrganisms changing their genes when they need to
3. CHumans breeding plants for useful traits
4. DIndividuals with helpful traits survive and reproduce more

A greenhouse is warm and brightly lit, but the air has very little carbon dioxide. What is most likely limiting the rate of photosynthesis?

1. AThe carbon dioxide concentration
2. BThe temperature
3. CThe number of stomata
4. DThe light intensity in the greenhouse

In evolution, what does an organism's fitness mean?

1. AHow many offspring it leaves that survive and reproduce
2. BHow long the organism lives
3. CHow strong and fast the organism is compared with others
4. DHow large the organism grows

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

DNR matricinė grandinė yra 3'-TACGGA-5'. Kokia iš jos sintetinama iRNR?

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

Norėdamas sužinoti, kiek suaugusieji mieste sportuoja, tyrėjas apklausia tik iš sporto salės išeinančius žmones. Kokia pagrindinė problema?

1. AImtis per daug atsitiktinė, kad būtų naudinga
2. BTyrėjas neturi priklausomojo kintamojo
3. CApklausų negalima naudoti moksle
4. DImtis nukreipta į aktyvius žmones