1.やさしい
脂質はどれか。
- ADNA
- Bグルコースの貯蔵形であるグリコーゲン
- Cトリグリセリド(脂肪)
- Dヘモグロビン
2.やさしい
What does xylem carry in a plant?
- AWater and minerals from the roots upward
- BSugars from the leaves to the roots
- COxygen from the leaves to the roots
- DSeeds from the flowers to the soil
3.やさしい
What is the resolution of a microscope?
- AHow many times larger it makes the image of the specimen
- BHow bright the image appears
- CHow large the field of view is
- DIts ability to show two close points as separate
4.ふつう
原核細胞にも真核細胞にもある構造はどれか。
- Aミトコンドリア
- Bリボソーム
- C小胞体
- D核
5.ふつう
Why do red blood cells have a flattened, biconcave disc shape?
- AIt gives a large surface area for gas exchange
- BIt helps them divide faster
- CIt lets them hold a larger nucleus and more DNA
- DIt makes them stick to vessel walls
6.ふつう
Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?
- AOn the rough endoplasmic reticulum
- BIn the nucleus
- CIn the cytoplasm
- DIn the mitochondrial matrix
7.むずかしい
At 100× total magnification, the field of view of a microscope is 2 mm wide. What is its width at 400×?
- A0.5 mm
- B8 mm
- C0.2 mm
- D2 mm
8.むずかしい
An inhibitor binds to an enzyme away from the active site and changes the enzyme's shape. Adding more substrate does not restore the rate. What type of inhibition is this?
- ACompetitive inhibition
- BDenaturation by heat
- CNoncompetitive inhibition
- DSubstrate saturation
解答
- 1. C · トリグリセリド(脂肪)
- 2. A · Water and minerals from the roots upward
- 3. D · Its ability to show two close points as separate
- 4. B · リボソーム
- 5. A · It gives a large surface area for gas exchange
- 6. D · In the mitochondrial matrix
- 7. A · 0.5 mm
- 8. C · Noncompetitive inhibition
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