Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is a sister chromatid?

1. AA chromosome that is inherited from the mother only, never the father
2. BOne of two identical copies of a chromosome joined at the centromere
3. COne of the two sex chromosomes
4. DA small ring of DNA found in bacteria

Which group of biomolecules forms the basic bilayer of the cell membrane and also stores long-term energy?

1. ACarbohydrates
2. BNucleic acids
3. CLipids
4. DProteins

Which substances are used up in aerobic cellular respiration?

1. AGlucose and carbon dioxide
2. BCarbon dioxide and water
3. CGlucose and oxygen
4. DOxygen and water

Which statement best describes biological evolution?

1. AChange in the inherited traits of a population over generations
2. BChange in the body of one organism during its lifetime
3. CGrowth of an organism from a single zygote to a fully grown adult
4. DMovement of animals to a new habitat each year

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is an X-linked recessive trait
2. BIt is controlled only by the environment
3. CIt is controlled by many genes and also affected by environment
4. DIt is controlled by one gene with two alleles and full dominance

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor stem cells produce new, healthy blood cells
2. BThe transplant replaces the patient's bones
3. CThe donor red cells divide to make more red cells
4. DThe donor marrow contains antibiotics that kill cancer

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

1. A2 µm
2. B0,2 mm
3. C20 µm
4. D200 µm

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. A27/64
2. B9/16
3. C1/64
4. D3/4