1.쉬움
What is an inference?
- AA variable that the scientist changes on purpose
- BA conclusion reached from observations and prior knowledge
- CA list of the materials used in an experiment
- DA measurement taken with a calibrated instrument in a laboratory
2.쉬움
What are the bacteria called that normally live on the skin and in the gut without causing disease?
- ANormal flora
- BPrions
- CVectors
- DPathogens
3.쉬움
In which stage of the cell cycle does a cell spend most of its time?
- AInterphase
- BAnaphase
- CMetaphase
- DProphase
4.보통
How do embryonic stem cells differ from most adult stem cells?
- AThey are found only in plants, while adult stem cells are found in animals
- BThey are haploid, while adult stem cells are diploid
- CThey can no longer divide, while adult stem cells divide quickly
- DThey can become almost any cell type, while adult stem cells are more limited
5.보통
Which type of graph is best for comparing the number of patients with each ABO blood type?
- AA line graph
- BA scatter plot
- CA bar graph
- DA histogram
6.보통
세균은 보통 어떻게 번식하나요?
- A감수 분열로
- B바이러스를 출아시켜서
- C이분법으로
- D씨앗을 만들어서
7.어려움
A bag made of membrane that lets only water through contains a 10% sugar solution. It is placed in a beaker of 5% sugar solution. What happens?
- AWater moves out of the bag, and the bag loses mass
- BSugar moves out of the bag until both are 7.5%
- CWater moves into the bag, and the bag gains mass
- DNothing changes, because sugar cannot cross
8.어려움
In Tay-Sachs disease, a lysosomal enzyme does not work. What happens inside the affected nerve cells?
- AThe DNA cannot be copied before division
- BThe ribosomes stop making proteins
- CThe undigested substance builds up inside lysosomes
- DThe cells can no longer make ATP in their mitochondria
정답표
- 1. B · A conclusion reached from observations and prior knowledge
- 2. A · Normal flora
- 3. A · Interphase
- 4. D · They can become almost any cell type, while adult stem cells are more limited
- 5. C · A bar graph
- 6. C · 이분법으로
- 7. C · Water moves into the bag, and the bag gains mass
- 8. C · The undigested substance builds up inside lysosomes
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