1.やさしい
What is the job of the capsule found around some bacteria?
- AIt holds the bacterium's main chromosome
- BIt protects the cell, for example from white blood cells
- CIt helps the bacterium make energy by photosynthesis
- DIt is used to swim through liquids
2.やさしい
真核細胞でATPの大部分をつくる細胞小器官はどれか。
- Aゴルジ体
- Bリボソーム
- Cミトコンドリア
- Dリソソーム
3.やさしい
What does the polymerase chain reaction (PCR) do?
- AIt makes many copies of a piece of DNA
- BIt turns RNA into protein
- CIt separates proteins by their charge
- DIt cuts DNA at specific sequences
4.ふつう
A person catches chickenpox once and does not usually become ill with it again. Why?
- AThe virus stays in the blood and kills new viruses
- BMemory cells give a faster, stronger response the next time
- CAntibodies from the first infection turn into new viruses
- DThe skin becomes thicker after the first infection
5.ふつう
科学者が実験を繰り返したり、多くの対象を用いたりするのはなぜか。
- A対照群を必要としないようにするため
- B仮説が正しいと証明されるようにするため
- C結果に対する偶然の影響を減らすため
- D毎回、独立変数を変えるため
6.ふつう
Lactose (milk sugar) is a disaccharide. Which two monosaccharides is it made of?
- AGlucose and fructose
- BGlucose and galactose
- CFructose and galactose
- DGlucose and glucose
7.むずかしい
ボランティアにカフェインを 0、100、200 mg 飲んでもらい、30 分後の心拍数を測定する。従属変数は何か。
- A30 分間の待ち時間
- B30 分後の心拍数
- Cボランティア自身
- Dカフェインの量
8.むずかしい
Why is ATP described as an energy carrier rather than a long-term energy store?
- AATP contains no energy in its bonds, so it cannot be stored
- BCells hold only a little and constantly recycle it from ADP
- CATP can be made only in plants
- DATP is stored in large amounts in fat tissue
解答
- 1. B · It protects the cell, for example from white blood cells
- 2. C · ミトコンドリア
- 3. A · It makes many copies of a piece of DNA
- 4. B · Memory cells give a faster, stronger response the next time
- 5. C · 結果に対する偶然の影響を減らすため
- 6. B · Glucose and galactose
- 7. B · 30 分後の心拍数
- 8. B · Cells hold only a little and constantly recycle it from ADP
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