Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is the correct order of the phases of mitosis?

1. AProphase, metaphase, anaphase, telophase
2. BTelophase, anaphase, metaphase, prophase
3. CMetaphase, prophase, anaphase, telophase
4. DProphase, anaphase, metaphase, telophase

What is a stem cell?

1. AA cell that carries oxygen in the blood
2. BA plant cell found only in the stem
3. CA fully specialised cell that can no longer divide or change its type
4. DAn unspecialised cell that can divide and become other cell types

How many strands does an RNA molecule usually have?

1. AFour
2. BTwo
3. COne
4. DThree

What is a chromosomal translocation?

1. AOne DNA base is replaced by another base
2. BA piece of a chromosome is flipped around in place
3. CA piece of a chromosome is copied twice and stays in the same place
4. DA piece of one chromosome attaches to a non-matching chromosome

What is an inversion mutation?

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

In disease spread, what is a vector?

1. AA blood test used to detect antibodies
2. BAn organism that carries a pathogen between hosts
3. CThe first person to catch a disease
4. DA medicine that destroys a pathogen in the body

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

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

Mayoz sırasında bir kromozom çifti ayrılamıyor. Bunun sonucu ne olabilir?

1. AAna hücreyle genetik olarak özdeş gametler
2. BFazladan veya eksik bir kromozomu olan gametler
3. CHer kromozomunda tam iki kat fazla gen bulunan gametler
4. DHiç DNA içeremeyen gametler