Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is a chromosome?

1. AA small organelle in the cytoplasm that makes ATP for the cell
2. BA long DNA molecule, packed with proteins, carrying many genes
3. CA strand of RNA that leaves the nucleus
4. DA single gene that codes for one protein

Proteinlerin yapı taşları (monomerleri) nelerdir?

1. ANükleotitler
2. BAmino asitler
3. CYağ asitleri
4. DMonosakkaritler

What is a bacteriophage?

1. AA white cell that eats bacteria
2. BA bacterium that infects viruses
3. CA fungus that kills bacteria
4. DA virus that infects bacteria

The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?

1. AThey share a common ancestor
2. BThey have the same function
3. CThey evolved completely separately
4. DThey are the result of acquired traits

Why does ice float on liquid water?

1. AIce molecules are lighter than liquid water molecules
2. BIce contains more air than liquid water
3. CIce is denser than liquid water
4. DHydrogen bonds hold ice in an open, less dense structure

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. AAnimals
2. BFungi
3. CBacteria
4. DPlants

Bir genin başlangıcına yakın bir yere fazladan bir baz ekleniyor. Bu neden genellikle proteinde büyük bir etki yapar?

1. AKod fazlalıklı (dejenere) olduğu için hiçbir etkisi olmaz
2. BSonraki tüm kodonların okuma çerçevesini kaydırır
3. CGeni başka bir kromozoma dönüştürür
4. DProteinde yalnızca bir amino asidi değiştirir

Potato cylinders are placed in sugar solutions of different strengths. They gain mass in weak solutions, lose mass in strong ones and show no change at 0,3 mol/L. What can be concluded?

1. AThe potato cells contain no water at all
2. BSugar enters the cells only by active transport, not by diffusion
3. CPotato cells are always hypertonic to sugar solutions
4. DThe potato cells have a solute concentration of about 0,3 mol/L