1.やさしい
Which carbohydrate forms plant cell walls and acts as dietary fibre?
- ALactose
- BGlycogen
- CCellulose
- DGlucose
2.やさしい
In science, what is an observation?
- AA conclusion drawn before any data are collected
- BA guess about why something happens
- CA rule that explains all known facts
- DInformation gathered with the senses or instruments
3.やさしい
In the scientific name Homo sapiens, what does Homo name?
- AThe kingdom
- BThe genus
- CThe family
- DThe species
4.ふつう
After gel electrophoresis, which DNA fragments are found furthest from the wells?
- AThe smallest fragments
- BThe fragments with the most adenine
- CThe fragments with the most guanine
- DThe largest fragments
5.ふつう
Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?
- AFungi are much smaller than bacteria
- BFungi reproduce only by binary fission
- CFungal cells are eukaryotic, like human cells
- DFungi have no cell membrane for drugs to act on
6.ふつう
正常なヒトの卵細胞には、染色体がいくつあるか。
- A23
- B46
- C92
- D22
7.むずかしい
Fleming saw a clear area with no bacteria around a Penicillium mould growing on a bacterial plate. What was the best explanation?
- AThe mould released a substance that killed or stopped the bacteria
- BThe bacteria had moved away to find more food
- CThe mould used up all of the oxygen that the nearby bacteria needed
- DThe bacteria had turned into mould cells
8.むずかしい
An mRNA reads AUG-UUU-GGC-UAA. How many amino acids are in the protein made from it?
- A4
- B2
- C3
- D12
解答
- 1. C · Cellulose
- 2. D · Information gathered with the senses or instruments
- 3. B · The genus
- 4. A · The smallest fragments
- 5. C · Fungal cells are eukaryotic, like human cells
- 6. A · 23
- 7. A · The mould released a substance that killed or stopped the bacteria
- 8. C · 3
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