정답이 있는 간호학 입학 시험 대비 생물학 학습지

단백질의 구성 단위(단위체)는 무엇인가요?

1. A아미노산
2. B지방산
3. C단당류
4. D뉴클레오타이드

What is a neuron?

1. AA nerve cell that carries electrical signals
2. BA bone cell that stores calcium
3. CA muscle cell that contracts
4. DA blood cell that carries oxygen around the body

What is natural selection?

1. AOrganisms changing their genes when they need to
2. BAnimals choosing which mates they like best, so traits change at random
3. CHumans breeding plants for useful traits
4. DIndividuals with helpful traits survive and reproduce more

What is a bacterial endospore?

1. AA hair-like structure used to swim towards food
2. BA reproductive cell that bacteria use to make new colonies quickly
3. CA tough, dormant form that survives heat, drying and many disinfectants
4. DA small ring of DNA that carries antibiotic resistance genes

Researchers randomly assign patients to receive either a new wound dressing or the standard dressing and compare healing times. What type of study is this?

1. AA controlled experiment
2. BA case report
3. CAn observational study
4. DA survey

Which kind of mutation can be passed on to a person's children?

1. AA mutation in a skin cell caused by sunlight
2. BA mutation in a white blood cell during infection
3. CA mutation in a cell that forms eggs or sperm
4. DA mutation in a liver cell caused by alcohol

A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?

1. AFat but no protein
2. BBoth protein and starch
3. CStarch but no protein
4. DProtein but no starch

People who carry one sickle cell allele are more resistant to malaria. Why is the allele common in regions where malaria is widespread?

1. APeople with two sickle alleles are fully healthy there
2. BMalaria causes the sickle cell mutation directly
3. CThe allele is dominant, so it spreads by itself
4. DNatural selection favours the heterozygotes there