1.やさしい
What is the main material in the cell walls of fungi?
- APeptidoglycan
- BCellulose
- CChitin
- DCollagen
2.やさしい
Which elements make up carbohydrates?
- ACarbon, hydrogen and oxygen
- BCarbon, hydrogen and nitrogen
- CHydrogen, oxygen and phosphorus
- DCarbon, nitrogen and sulfur
3.やさしい
Which carbohydrate forms plant cell walls and acts as dietary fibre?
- AGlycogen
- BGlucose
- CCellulose
- DLactose
4.ふつう
Which process removes carbon dioxide from the atmosphere?
- ADecomposition
- BCellular respiration
- CBurning fossil fuels
- DPhotosynthesis
5.ふつう
鋳型DNA鎖の配列が T-A-C である。対応するmRNAのコドンはどれか。
- AA-T-G
- BU-T-G
- CA-U-G
- DT-A-C
6.ふつう
Lactose (milk sugar) is a disaccharide. Which two monosaccharides is it made of?
- AGlucose and galactose
- BGlucose and glucose
- CFructose and galactose
- DGlucose and fructose
7.むずかしい
Why can standard DNA profiling not tell identical twins apart?
- AIdentical twins come from one zygote and have the same DNA
- BIdentical twins have no non-coding DNA
- CTwins always share the same fingerprints on their hands
- DOnly one twin inherits the father's DNA
8.むずかしい
A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?
- A2
- B3
- C6
- D4
解答
- 1. C · Chitin
- 2. A · Carbon, hydrogen and oxygen
- 3. C · Cellulose
- 4. D · Photosynthesis
- 5. C · A-U-G
- 6. A · Glucose and galactose
- 7. A · Identical twins come from one zygote and have the same DNA
- 8. D · 4
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