解答つき看護学校入学試験のための生物ワークシート

How many micrometres (µm) are in one millimetre?

1. A1000
2. B100
3. C10
4. D1 000 000

拡散とは何か。

1. A粒子が濃度の高いほうから低いほうへ移動すること
2. B細胞が大きな粒子を小胞に包んで取り込むこと
3. CATPを使って水が膜を通過すること
4. D粒子が濃度の低いほうから高いほうへ移動すること

What is an organism's genotype?

1. AThe environment in which it lives
2. BThe alleles it carries for a trait
3. CThe traits that can be seen or measured
4. DThe number of cells in its body

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves Na⁺ in and K⁺ out, without using ATP
2. BMoves 2 Na⁺ out and 3 K⁺ in, using ATP
3. CMoves 3 K⁺ out and 2 Na⁺ in, using ATP
4. DMoves 3 Na⁺ out and 2 K⁺ in, using ATP

During which division of meiosis do homologous chromosomes separate?

1. AMeiosis II
2. BNeither, because they separate in mitosis
3. CMeiosis I
4. DBoth meiosis I and meiosis II

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AVaccinated people make antibodies for others
2. BThe vaccine spreads from person to person
3. CThe pathogen has too few hosts to spread easily
4. DThe pathogen mutates into a harmless form

Plasmids with an ampicillin-resistance gene are mixed with bacteria, which are then spread on a plate containing ampicillin. Why do only a few colonies grow?

1. AAll the bacteria die, and the colonies are fungi
2. BThe plasmid kills the bacteria that do not grow
3. CAmpicillin makes some bacteria take up the plasmid
4. DOnly the bacteria that took up the plasmid can survive

Cystic fibrosis is caused by a faulty CFTR protein, which forms a chloride channel in the cell membrane. Which process is directly affected?

1. ACopying of DNA in the nucleus
2. BMovement of chloride ions through a membrane protein
3. CDiffusion of oxygen molecules through the lipid bilayer
4. DProduction of ATP in the mitochondria