Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is a mutagen?

1. AAn enzyme that copies DNA
2. BSomething that can cause changes in DNA
3. CA protein that repairs damaged DNA
4. DA cell that divides without control

What is a monosaccharide?

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

What does sterilisation mean?

1. AReducing the number of microbes on the skin before an injection
2. BWashing away visible dirt with water
3. CKilling only the viruses on a surface
4. DKilling or removing all microorganisms, including spores

Which DNA bases are purines?

1. AAdenine and thymine
2. BCytosine and guanine
3. CAdenine and guanine
4. DCytosine and thymine

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B72 beats per minute
3. C73 beats per minute
4. D80 beats per minute

Golden rice was genetically modified to make beta-carotene. What is the aim?

1. ATo increase the protein content of the rice
2. BTo help prevent vitamin A deficiency
3. CTo make the rice resistant to all insects
4. DTo make the rice grow faster in cold climates

Hastalığı olmayan iki ebeveynin hastalığı olan bir çocuğu oluyor. Tek bir gen varsayıldığında en olası açıklama nedir?

1. AÇocuk özelliği yalnızca babanın Y kromozomundan kalıtmıştır
2. BÖzellik baskındır ve ebeveynlerden biri homozigottur
3. CÖzellik baskındır ve her iki ebeveyn de etkilenmiştir
4. DÖzellik çekiniktir ve her iki ebeveyn taşıyıcıdır

A karyotype shows 45 chromosomes, with a single X chromosome and no Y. Which condition is this?

1. AA typical male karyotype
2. BTurner syndrome
3. CKlinefelter syndrome
4. DDown syndrome