Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is a neuron?

1. AA blood cell that carries oxygen around the body
2. BA nerve cell that carries electrical signals
3. CA bone cell that stores calcium
4. DA muscle cell that contracts

What does DNA replication produce?

1. ATwo identical DNA molecules
2. BOne mRNA molecule
3. CA new protein
4. DFour different DNA molecules

Which codon signals the start of translation in most genes?

1. AUAA
2. BUGA
3. CUAG
4. DAUG

What is an inversion mutation?

1. AA chromosome segment breaks off and is reattached the wrong way round
2. BA segment of a chromosome moves to a different, non-matching chromosome
3. CA segment of a chromosome is lost completely
4. DA whole extra chromosome is added to the cell

Bir proteinin şeklini ve işlevini ne belirler?

1. AAmino asitlerinin dizilişi
2. BTaşıdığı fosfat grubu sayısı
3. CHücredeki glikoz miktarı
4. DZardaki yağ asitlerinin sırası

What is the difference between an antiseptic and a disinfectant?

1. AAntiseptics are used on objects and floors; disinfectants are used on skin
2. BAntiseptics are used on living tissue; disinfectants are used on objects
3. CAntiseptics are antibiotics; disinfectants are vaccines
4. DAntiseptics kill all spores; disinfectants kill none

Two parents are both carriers of cystic fibrosis, an autosomal recessive disorder. They have three children. What is the probability that none of the three is affected?

1. A3/4
2. B9/16
3. C27/64
4. D1/64

Two parents who both have a genetic condition have a child who does not. Assuming a single gene, what inheritance pattern does this show?

1. AAutosomal recessive, with both parents heterozygous
2. BX-linked recessive, with the father as a carrier
3. CAutosomal dominant, with both parents heterozygous
4. DAutosomal recessive, with both parents homozygous