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

Яку одиницю найчастіше використовують для розміру клітини?

1. AЛітри (L)
2. BМікрометри
3. CМетри (m)
4. DКілометри (km)

Which of these is qualitative data?

1. AThe patient weighs 68 kg
2. BThe urine sample is dark yellow
3. CThe wound is 3 cm long
4. DThe pulse rate is 72 beats per minute

Який прилад використовують, щоб побачити окремі клітини?

1. AМікроскоп
2. BТелескоп
3. CТермометр
4. DСпектрометр для звуку

In gel electrophoresis, why does DNA move towards the positive electrode?

1. ADNA has no charge and moves at random
2. BDNA has a negative charge from its phosphate groups
3. CDNA is pulled by gravity through the gel
4. DDNA has a positive charge from the nitrogen bases it contains

What is a random sample?

1. AA group made only of people who volunteer to take part
2. BA group chosen by the researcher because they are easy to reach and willing
3. CA group where everyone in the population has an equal chance of being chosen
4. DA group chosen because they are likely to support the hypothesis

A student switches a light microscope from low power to high power. What happens to the field of view?

1. AIt gets larger and brighter
2. BIt gets smaller and usually darker
3. CIt gets larger but less detailed
4. DIt stays the same size but gets brighter

A mutation changes one amino acid in an enzyme. In which location is the change most likely to stop the enzyme from working?

1. AIn the gene's stop codon
2. BIn the active site
3. CIn a section that is removed after the protein is made
4. DOn the outer surface, far from the active site

Plasmids with an ampicillin-resistance gene are mixed with bacteria, which are then spread on a plate containing ampicillin. Why do only a few colonies grow?

1. AAll the bacteria die, and the colonies are fungi
2. BThe plasmid kills the bacteria that do not grow
3. COnly the bacteria that took up the plasmid can survive
4. DAmpicillin makes some bacteria take up the plasmid