1.쉬움
진핵세포의 DNA는 대부분 어디에 있나요?
- A리소좀
- B핵
- C세포벽
- D세포막
2.쉬움
사람에서 감수 분열로 만들어지는 세포는 무엇인가요?
- A피부 세포
- B간세포
- C난자와 정자
- D골수의 적혈구
3.쉬움
How many millilitres are in one litre?
- A100
- B10
- C10 000
- D1000
4.보통
그람 염색에서 그람 양성균이 보라색으로 염색되는 이유는 무엇인가요?
- A얇은 벽이 지질이 풍부한 바깥막으로 덮여 있기 때문이다
- B세포벽이 전혀 없기 때문이다
- C두꺼운 펩티도글리칸 벽이 보라색 염료를 붙잡기 때문이다
- D엽록소를 가지고 있기 때문이다
5.보통
What do the spindle fibres do during cell division?
- AThey digest the old cell membrane
- BThey attach to chromosomes and move them to the poles
- CThey make the new nuclear envelope
- DThey copy the DNA of each chromosome before the cell divides
6.보통
A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?
- ASeedlings given salt water will grow less than those given plain water
- BBean seedlings need sunlight and water to grow well
- CSalt water is made of sodium chloride and water
- DSeedlings given plain water will die within a week
7.어려움
A child's DNA profile has bands A, B, C and D. The mother has bands A and C. Man 1 has bands B and D, man 2 has A and E, and man 3 has C and F. Which man could be the biological father?
- AMan 3
- BNone of them
- CMan 2
- DMan 1
8.어려움
A cube-shaped cell has sides of 2 µm. What is its surface area-to-volume ratio?
- A3 : 1
- B6 : 1
- C1 : 3
- D2 : 1
정답표
- 1. B · 핵
- 2. C · 난자와 정자
- 3. D · 1000
- 4. C · 두꺼운 펩티도글리칸 벽이 보라색 염료를 붙잡기 때문이다
- 5. B · They attach to chromosomes and move them to the poles
- 6. A · Seedlings given salt water will grow less than those given plain water
- 7. D · Man 1
- 8. A · 3 : 1
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