1.쉬움
삼투는 선택적 투과성 막을 통한 어떤 물질의 확산인가요?
- A포도당
- B나트륨 이온
- C단백질
- D물
2.쉬움
What is peer review?
- AReading a textbook to learn a topic
- BExperts checking a study before it is published
- CAsking patients for their opinion of a treatment
- DRepeating your own experiment many times
3.쉬움
In which form do animals store glucose in the liver and muscles?
- ACellulose
- BStarch
- CChitin
- DGlycogen
4.보통
What happens during telophase of mitosis?
- AThe sister chromatids are pulled apart
- BA nuclear envelope forms around each set of chromosomes
- CThe DNA is copied for the next division
- DThe chromosomes line up across the middle of the cell
5.보통
What is the main role of inflammation after an injury?
- ATo stop all blood flow to the area so that bleeding ends
- BTo destroy the healthy cells around the wound
- CTo bring more blood and white blood cells to the area
- DTo make antibodies inside the damaged cells
6.보통
What are introns?
- ACoding sections joined together to form the mature mRNA
- BNon-coding sections removed from pre-mRNA before translation
- CShort pieces of DNA made on the lagging strand
- DCodons that tell the ribosome to stop translation
7.어려움
A new infectious agent passes through filters that trap bacteria, does not grow on nutrient agar and multiplies only inside living cells. What is it most likely to be?
- AA fungus
- BA virus
- CA bacterium
- DA protozoan
8.어려움
Which statement correctly compares DNA replication and transcription?
- ABoth use thymine and deoxyribose in the new strand
- BReplication makes RNA from DNA; transcription makes DNA from RNA
- CReplication copies all the DNA; transcription copies one gene
- DBoth take place on ribosomes in the cytoplasm
정답표
- 1. D · 물
- 2. B · Experts checking a study before it is published
- 3. D · Glycogen
- 4. B · A nuclear envelope forms around each set of chromosomes
- 5. C · To bring more blood and white blood cells to the area
- 6. B · Non-coding sections removed from pre-mRNA before translation
- 7. B · A virus
- 8. C · Replication copies all the DNA; transcription copies one gene
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