1.やさしい
DNAなどの核酸の単量体は何か。
- Aヌクレオチド
- Bグルコース分子
- Cグリセロール分子
- Dアミノ酸
2.やさしい
細胞膜の基本的な構造はどれか。
- Aデンプン分子 1 枚のシート
- Bタンパク質が埋め込まれたリン脂質二重層
- Cセルロース繊維とリグニンからなる硬い層
- Dペプチドグリカンの厚い壁
3.やさしい
What is phagocytosis?
- AA cell engulfing large particles such as bacteria
- BA cell dividing into two identical daughter cells
- CA cell taking in small droplets of fluid
- DA cell releasing hormones by exocytosis
4.ふつう
Where does the oxygen released by photosynthesis come from?
- AFrom water molecules that are split
- BFrom carbon dioxide molecules that are split
- CFrom glucose that is broken down
- DFrom chlorophyll that is used up
5.ふつう
Which statement best describes biological evolution?
- AChange in the inherited traits of a population over generations
- BGrowth of an organism from a single zygote to a fully grown adult
- CMovement of animals to a new habitat each year
- DChange in the body of one organism during its lifetime
6.ふつう
A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?
- ACross it with another tall plant
- BCross it with a short (tt) plant
- CCross it with a TT plant
- DLet it grow for a longer time
7.むずかしい
Why does the influenza vaccine need to be updated most years?
- AInfluenza is caused by a different bacterium each year
- BThe virus keeps changing its surface proteins through mutation
- CAntibodies cannot be made against viruses
- DThe vaccine damages the immune system after one year, so it must be repeated
8.むずかしい
ペプシンは、pHが約 2 の胃ではたらく。pHが約 8 の小腸では、その活性はどうなるか。
- A脂肪を消化する別の酵素に変わる
- BpHは酵素に影響しないため、変わらない
- C酵素はアルカリ性の条件を好むため、上昇する
- D最適pHから大きく離れるため、低下する
解答
- 1. A · ヌクレオチド
- 2. B · タンパク質が埋め込まれたリン脂質二重層
- 3. A · A cell engulfing large particles such as bacteria
- 4. A · From water molecules that are split
- 5. A · Change in the inherited traits of a population over generations
- 6. B · Cross it with a short (tt) plant
- 7. B · The virus keeps changing its surface proteins through mutation
- 8. D · 最適pHから大きく離れるため、低下する
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