1.쉬움
In an enzyme reaction, what is the substrate?
- AThe gene that codes for the enzyme
- BThe part of the enzyme that changes shape
- CThe product released at the end
- DThe substance that the enzyme acts on
2.쉬움
Which kind of organism causes malaria?
- AA protist carried by mosquitoes
- BA bacterium carried in water
- CA fungus that grows on skin
- DA virus spread by coughing
3.쉬움
What are stomata?
- AHairs on roots that absorb minerals
- BGreen structures in the leaf that store starch
- CSmall pores in leaves that allow gas exchange
- DTubes that carry water up the stem
4.보통
Which polymer is correctly matched with its monomer?
- AStarch and glucose
- BDNA and amino acid
- CProtein and nucleotide
- DGlycogen and fatty acid
5.보통
In evolution, what does an organism's fitness mean?
- AHow large the organism grows
- BHow strong and fast the organism is compared with others
- CHow long the organism lives
- DHow many offspring it leaves that survive and reproduce
6.보통
체세포 분열의 어느 시기에 염색체가 세포 가운데에 일렬로 배열되나요?
- A전기
- B후기
- C말기
- D중기
7.어려움
mRNA 코돈이 AUG입니다. 이에 대응하는 tRNA의 안티코돈은 무엇인가요?
- AUAC
- BAUG
- CGUA
- DTAC
8.어려움
A patient is given a large volume of hypotonic IV fluid too quickly. What is the most likely effect on the patient's cells?
- ANothing changes, because cells are not affected by IV fluid
- BSalt moves into the cells, and they burst
- CWater moves into the cells, and they swell
- DWater moves out of the cells, and they shrink
정답표
- 1. D · The substance that the enzyme acts on
- 2. A · A protist carried by mosquitoes
- 3. C · Small pores in leaves that allow gas exchange
- 4. A · Starch and glucose
- 5. D · How many offspring it leaves that survive and reproduce
- 6. D · 중기
- 7. A · UAC
- 8. C · Water moves into the cells, and they swell
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