解答つき看護学校入学試験のための生物ワークシート

What is the job of the capsule found around some bacteria?

1. AIt helps the bacterium make energy by photosynthesis
2. BIt protects the cell, for example from white blood cells
3. CIt is used to swim through liquids
4. DIt holds the bacterium's main chromosome

細菌について正しい記述はどれか。

1. A核をもつ単細胞の真核生物である
2. B単細胞の原核生物である
3. C細胞ではなく、タンパク質とDNAの粒子である
4. D植物のような多細胞生物である

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

1. ALipids
2. BCarbohydrates
3. CNucleic acids
4. DProteins

Sickle cell disease is caused by a single base change that replaces one amino acid in haemoglobin. What type of mutation is this?

1. AA silent mutation
2. BA nonsense mutation
3. CA missense mutation
4. DA frameshift mutation

Why does each type of virus infect only certain kinds of cells?

1. AIt must find cells with the same DNA as its own
2. BIt can only enter cells that are dividing by meiosis at that time
3. CIt can only enter cells that have no nucleus
4. DIt must attach to specific receptor proteins on the cell surface

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

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

In a family, a trait appears mostly in males. Affected men have daughters who are unaffected, but some of these daughters have affected sons. Which pattern fits best?

1. AY-linked
2. BX-linked recessive
3. CAutosomal dominant
4. DAutosomal recessive with equal sexes

A diploid cell contains 10 units of DNA in G1. How many units are in each cell at the end of meiosis II?

1. A5 units
2. B10 units
3. C20 units
4. D2.5 units