Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Aşağıdakilerden hangisi bir lipittir?

1. AHemoglobin
2. BBir trigliserit (yağ)
3. CDNA
4. DGlikozun depo biçimi olan glikojen

In biology, what is a clone?

1. AAn organism that carries genes from two different species
2. BA genetically identical copy of an organism, cell or gene
3. CA cell with an extra chromosome
4. DAn offspring of two different parents

How many strands does an RNA molecule usually have?

1. AOne
2. BFour
3. CTwo
4. DThree

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. AOne quarter
2. BAll
3. COne half
4. DNone

During childbirth, pressure on the cervix causes oxytocin release, which causes stronger contractions and more pressure. What kind of control is this?

1. APositive feedback
2. BNegative feedback
3. CNatural selection
4. DHomeostatic balance

What is the difference between an epidemic and a pandemic?

1. AAn epidemic is caused only by bacteria
2. BA pandemic affects only one town
3. CA pandemic spreads across many countries or continents
4. DAn epidemic affects the whole world at once

Bir bakteri populasyonu bir antibiyotiğe nasıl dirençli hâle gelir?

1. AAntibiyotik bakterilerin ihtiyaç duyduğu mutasyonu bilerek oluşturur
2. BHer bakteri maruz kaldıktan sonra ilaca direnmeyi öğrenir
3. CHastanın bağışıklık sistemi bakterileri dirençli yapar
4. DBirkaç bakteri zaten direnç genleri taşır, ilaca rağmen hayatta kalır ve çoğalır

A man with an X-linked recessive disorder (XʰY) has children with a woman who has two normal alleles (XᴴXᴴ). What is expected among their children?

1. AHalf of the sons and half of the daughters are affected
2. BAll daughters are affected, and all sons are carriers
3. CAll daughters are carriers, and no sons are affected
4. DAll sons are affected, and no daughters are carriers