Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What are restriction enzymes?

1. AEnzymes that cut DNA at specific base sequences
2. BEnzymes that digest fats in the intestine
3. CEnzymes that join amino acids into proteins
4. DEnzymes that copy RNA into DNA

What does phloem carry in a plant?

1. ASugars made in the leaves
2. BCarbon dioxide from the air
3. CChlorophyll to the stem
4. DWater from the roots only

Antibiyotikler hangi tür organizmalara karşı etkilidir?

1. ABakterilere
2. BVirüslere
3. CHer tür mikroorganizmaya eşit derecede
4. DPolen alerjenlerine

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungal cells are eukaryotic, like human cells
2. BFungi are much smaller than bacteria
3. CFungi have no cell membrane for drugs to act on
4. DFungi reproduce only by binary fission

Which type of graph is best for comparing the number of patients with each ABO blood type?

1. AA line graph
2. BA scatter plot
3. CA bar graph
4. DA histogram

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe independent variable
2. BThe controlled variable
3. CThe dependent variable
4. DThe time the experiment started

Why are modified viruses often used to deliver genes in gene therapy?

1. AViruses are larger than human cells, so they can carry many genes
2. BViruses can reproduce without a host cell
3. CViruses produce antibodies that fix faulty genes
4. DViruses naturally insert their genetic material into host cells

A cell is 0,00002 m wide. Which value is equal to this width?

1. A0,2 mm
2. B2 µm
3. C20 µm
4. D200 µm