解答つき看護学校入学試験のための生物ワークシート

実験における独立変数とは何か。

1. A研究者が意図的に変える要因
2. Bすべての群で同じに保たれる要因
3. C結果として測定される要因
4. D処理を受けない群

What is cytokinesis?

1. AThe division of the cytoplasm into two cells
2. BThe pairing of homologous chromosomes
3. CThe condensing of chromosomes in prophase
4. DThe copying of DNA before division

What are the bacteria called that normally live on the skin and in the gut without causing disease?

1. APathogens
2. BVectors
3. CNormal flora
4. DPrions

In which part of the chloroplast do the light-dependent reactions happen?

1. AIn the stroma
2. BIn the outer membrane
3. CIn the cell wall
4. DIn the thylakoid membranes

During childbirth, pressure on the cervix causes oxytocin release, which causes stronger contractions and more pressure. What kind of control is this?

1. AHomeostatic balance
2. BNatural selection
3. CPositive feedback
4. DNegative feedback

Why do plants wilt when the soil around their roots becomes very salty?

1. ASalt blocks sunlight from reaching the leaves
2. BSalt makes the root cells swell and burst
3. CWater leaves the root cells by osmosis
4. DThe roots take in too much water

AaBbの植物を、aabbの植物と交配した。遺伝子は独立に分配される。子の間で期待される表現型の比はどれか。

1. A3 : 1
2. B1 : 2 : 1
3. C1 : 1 : 1 : 1
4. D9 : 3 : 3 : 1

The antibiotic tetracycline binds to bacterial ribosomes. Which process does it block, and why are human cells much less affected?

1. ADNA replication, because bacteria have no DNA polymerase
2. BTranslation, because human cells have no ribosomes
3. CTranscription, because human cells have no RNA polymerase of their own
4. DTranslation, because bacterial ribosomes differ from human ribosomes