Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which sex chromosomes does a typical human male have?

1. AXX
2. BXY
3. CX only
4. DYY

What are round (spherical) bacteria called?

1. ACocci
2. BBacilli
3. CVibrios
4. DSpirilla

Kontrol grubunun amacı nedir?

1. ASınanan uygulamanın mümkün olan en yüksek dozunu almak
2. BUygulama yapılan grupla karşılaştırma için bir referans sağlamak
3. CDeneyin daha çabuk bitmesini sağlamak
4. DHipotez ihtiyacının yerini almak

Why can DNA profiling (fingerprinting) identify individual people?

1. ARepeated non-coding DNA regions vary in length between people
2. BDNA in blood differs from DNA in skin
3. CEvery person has a different number of chromosomes in their cells
4. DEach person's genes code for different amino acids

Why is DNA replication called semiconservative?

1. AEach new strand is a random mix of old and new pieces
2. BThe old DNA molecule is kept whole, and a completely new one is made
3. CEach new DNA molecule has one old strand and one new strand
4. DOnly half of the DNA is copied each time

A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?

1. AEvery amino acid after the deletion is changed to a new one
2. BNo protein can be made at all
3. CThe protein lacks one amino acid but the rest is unchanged
4. DThe protein becomes three times longer

Her iki ebeveynin de kan grubu O. Çocukları hangi kan grubunda olabilir?

1. AYalnızca AB grubu
2. BDört grubun herhangi biri
3. CA grubu veya O grubu
4. DYalnızca O grubu

Pasteur boiled broth in swan-neck flasks. The broth stayed clear until the neck was broken off, when it soon became cloudy. What did this show?

1. AAir alone, without microbes, spoils broth
2. BBoiling makes broth produce new microbes
3. CSwan-neck flasks produce chemicals that kill bacteria
4. DMicrobes come from the air, not from the broth itself