정답이 있는 간호학 입학 시험 대비 생물학 학습지

What is a bacteriophage?

1. AA fungus that kills bacteria
2. BA bacterium that infects viruses
3. CA white cell that eats bacteria
4. DA virus that infects bacteria

What is an inference?

1. AA measurement taken with a calibrated instrument in a laboratory
2. BA variable that the scientist changes on purpose
3. CA conclusion reached from observations and prior knowledge
4. DA list of the materials used in an experiment

DNA에서 발견되는 네 가지 염기는 무엇인가요?

1. A알라닌, 티민, 글리신, 시스테인
2. B아데닌, 티민, 구아닌, 사이토신
3. C아데닌, 우라실, 구아닌, 사이토신
4. D아데닌, 티민, 포도당, 사이토신

What happens to an enzyme after it has catalysed a reaction?

1. AIt changes into the substrate
2. BIt becomes part of the product and leaves with it
3. CIt is broken down into amino acids
4. DIt is released unchanged and can be used again

촉진 확산은 단순 확산과 어떻게 다른가요?

1. A펌프와 ATP를 이용해 기울기를 거슬러 분자를 이동시킨다
2. B산소와 같은 기체만 이동시킨다
3. C통로 단백질이나 운반 단백질을 이용하지만 ATP는 쓰지 않는다
4. DATP를 사용해 분자를 높은 농도 쪽으로 이동시킨다

What is an inversion mutation?

1. AA whole extra chromosome is added to the cell
2. BA chromosome segment breaks off and is reattached the wrong way round
3. CA segment of a chromosome moves to a different, non-matching chromosome
4. DA segment of a chromosome is lost completely

Why does the influenza vaccine need to be updated most years?

1. AAntibodies cannot be made against viruses
2. BInfluenza is caused by a different bacterium each year
3. CThe virus keeps changing its surface proteins through mutation
4. DThe vaccine damages the immune system after one year, so it must be repeated

A survey finds that students who sleep more get higher test scores. Which study would best test whether more sleep causes better scores?

1. ACompare the test scores of students at two different schools
2. BRandomly assign students to different sleep times and compare their scores
3. CSurvey a much larger group of students about their sleep habits
4. DAsk the students with the highest scores how they study