Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

What is transpiration?

1. AThe taking in of CO₂ for photosynthesis
2. BThe movement of sugars through the phloem to the roots
3. CThe growth of roots towards water
4. DThe loss of water vapour from the leaves of a plant

What are the three domains of life?

1. ABacteria, Archaea and Eukarya
2. BPlants, animals and fungi
3. CProkaryotes, plants and animals
4. DBacteria, viruses and protists

What does transfer RNA (tRNA) do?

1. AIt brings amino acids to the ribosome
2. BIt copies DNA in the nucleus
3. CIt carries the code out of the nucleus
4. DIt joins two DNA strands together

Which stage of aerobic respiration produces the most ATP?

1. AFermentation
2. BGlycolysis in the cytoplasm
3. CThe Krebs cycle in the matrix
4. DThe electron transport chain

Що надає гранулярній ендоплазматичній сітці «шорсткого» вигляду?

1. AЛізосоми, злиті з її зовнішнім боком
2. BХлоропласти всередині її мембран
3. CРибосоми, прикріплені до її поверхні
4. DЖирові краплі, що зберігаються на її поверхні

A person catches chickenpox once and does not usually become ill with it again. Why?

1. AMemory cells give a faster, stronger response the next time
2. BThe skin becomes thicker after the first infection
3. CAntibodies from the first infection turn into new viruses
4. DThe virus stays in the blood and kills new viruses

A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?

1. A2
2. B4
3. C3
4. D6

Why does the influenza vaccine need to be updated most years?

1. AAntibodies cannot be made against viruses
2. BThe virus keeps changing its surface proteins through mutation
3. CInfluenza is caused by a different bacterium each year
4. DThe vaccine damages the immune system after one year, so it must be repeated