Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Kontrol grubunun amacı nedir?

1. AUygulama yapılan grupla karşılaştırma için bir referans sağlamak
2. BSınanan uygulamanın mümkün olan en yüksek dozunu almak
3. CHipotez ihtiyacının yerini almak
4. DDeneyin daha çabuk bitmesini sağlamak

What is an allele?

1. AA different version of the same gene
2. BA pair of matching chromosomes from each parent
3. CA protein made from a gene
4. DA section of DNA between genes

What do bacteria use flagella for?

1. AMoving from place to place
2. BMaking proteins from amino acids
3. CCopying their DNA
4. DStoring food

Bir proteinin şeklini ve işlevini ne belirler?

1. ATaşıdığı fosfat grubu sayısı
2. BAmino asitlerinin dizilişi
3. CZardaki yağ asitlerinin sırası
4. DHücredeki glikoz miktarı

Why is water good at dissolving salts and sugars?

1. AIts molecules are polar
2. BIts molecules are nonpolar
3. CIt has a very low boiling point
4. DIt contains carbon atoms

Which of these is part of the body's innate (non-specific) defence?

1. AT cells that recognise one virus
2. BMemory B cells from an earlier infection
3. CAntibodies made after vaccination
4. DThe skin and stomach acid

Bacteria in a closed flask grow quickly at first, but the population then stops increasing. What is the main reason?

1. ANutrients run out and waste products build up
2. BThe bacteria stop dividing once they reach adult size
3. CThe flask becomes too cold for growth
4. DThe bacteria change into viruses after many divisions

A plant that is AaBb is crossed with an AaBB plant. A and B are dominant, and the genes assort independently. What fraction of the offspring show both dominant traits?

1. A1/4
2. B9/16
3. C1/2
4. D3/4