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

What is a zygote?

1. AAn unfertilised egg cell
2. BA body cell that has just completed its first round of mitosis
3. CThe diploid cell formed when a sperm fertilises an egg
4. DA haploid cell made by meiosis

What is a stem cell?

1. AA plant cell found only in the stem
2. BA fully specialised cell that can no longer divide or change its type
3. CAn unspecialised cell that can divide and become other cell types
4. DA cell that carries oxygen in the blood

What does homozygous mean?

1. AHaving two identical alleles for a gene
2. BHaving an extra chromosome
3. CHaving two different alleles for a gene
4. DHaving only one copy of a gene

Which body system works with the respiratory system to deliver oxygen to body cells?

1. AThe urinary system
2. BThe digestive system
3. CThe skeletal system
4. DThe circulatory system

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

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

A tablet contains 2,5 g of a substance. How many milligrams is this?

1. A0,0025 mg
2. B250 mg
3. C25 mg
4. D2500 mg

A patient is given a large volume of hypotonic IV fluid too quickly. What is the most likely effect on the patient's cells?

1. ASalt moves into the cells, and they burst
2. BNothing changes, because cells are not affected by IV fluid
3. CWater moves out of the cells, and they shrink
4. DWater moves into the cells, and they swell

Де розташована основна хромосома бактерії і яку додаткову ДНК вона може нести?

1. AВ ядрі, з мітохондріальною ДНК
2. BУ нуклеоїді, з малими плазмідами
3. CУ рибосомах, з додатковими хромосомами
4. DУ клітинній стінці, з генами РНК