1.やさしい
What is phagocytosis?
- AA cell taking in small droplets of fluid
- BA cell dividing into two identical daughter cells
- CA cell engulfing large particles such as bacteria
- DA cell releasing hormones by exocytosis
2.やさしい
What are the three parts of a nucleotide?
- AA phosphate, a sugar and a nitrogen base
- BAn amino group, a sugar and a fatty acid
- CA glycerol, a phosphate and a fatty acid
- DA carboxyl group, a base and a lipid
3.やさしい
What is the main material in the cell wall of bacteria?
- AKeratin
- BCellulose
- CPeptidoglycan
- DChitin
4.ふつう
What is a prion?
- AA bacterium without a cell wall that lives inside nerve cells
- BA very small virus with a DNA genome
- CA fungal spore that infects the brain
- DA misfolded protein that causes normal proteins to misfold
5.ふつう
What is the main role of inflammation after an injury?
- ATo bring more blood and white blood cells to the area
- BTo make antibodies inside the damaged cells
- CTo stop all blood flow to the area so that bleeding ends
- DTo destroy the healthy cells around the wound
6.ふつう
ある生徒が、光の量がインゲンマメの成長に与える影響を調べている。制御変数にすべきものはどれか。
- A各植物が受け取る光の量
- B最後の植物の高さ
- C実験の結論
- D各植物が受け取る水の量
7.むずかしい
A farmer's crops grow poorly in soil lacking nitrates. Why do plants need nitrogen?
- ATo absorb more carbon dioxide through the stomata
- BTo make glucose during photosynthesis
- CTo build cellulose cell walls
- DTo make amino acids, proteins and nucleic acids
8.むずかしい
遺伝子の始まり付近に塩基が 1 つ余分に挿入された。これが通常、タンパク質に大きな影響を与えるのはなぜか。
- A遺伝子が別の染色体になってしまうから
- B暗号は重複しているので、影響はないから
- Cタンパク質のアミノ酸が 1 つ変わるだけだから
- D以降のすべてのコドンの読み枠がずれるから
解答
- 1. C · A cell engulfing large particles such as bacteria
- 2. A · A phosphate, a sugar and a nitrogen base
- 3. C · Peptidoglycan
- 4. D · A misfolded protein that causes normal proteins to misfold
- 5. A · To bring more blood and white blood cells to the area
- 6. D · 各植物が受け取る水の量
- 7. D · To make amino acids, proteins and nucleic acids
- 8. D · 以降のすべてのコドンの読み枠がずれるから
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