정답이 있는 간호학 입학 시험 대비 생물학 학습지

Which codon signals the start of translation in most genes?

1. AUAG
2. BAUG
3. CUAA
4. DUGA

What is transpiration?

1. AThe movement of sugars through the phloem to the roots
2. BThe taking in of CO₂ for photosynthesis
3. CThe loss of water vapour from the leaves of a plant
4. DThe growth of roots towards water

사람에서 감수 분열로 만들어지는 세포는 무엇인가요?

1. A간세포
2. B피부 세포
3. C골수의 적혈구
4. D난자와 정자

Why is a buffer system important in blood?

1. AIt resists changes in pH
2. BIt raises the blood glucose level
3. CIt makes the blood clot faster
4. DIt carries oxygen to the tissues

능동 수송을 설명하는 것은 어느 것인가요?

1. A막을 통해 물만 이동시킨다
2. B에너지를 쓰지 않고 농도 기울기를 따라 물질을 이동시킨다
3. C에너지를 사용해 농도 기울기를 거슬러 물질을 이동시킨다
4. D죽은 세포에서만 일어난다

In gel electrophoresis, why does DNA move towards the positive electrode?

1. ADNA has a negative charge from its phosphate groups
2. BDNA has a positive charge from the nitrogen bases it contains
3. CDNA is pulled by gravity through the gel
4. DDNA has no charge and moves at random

Fresh liver is dropped into hydrogen peroxide and bubbles form quickly. Boiled liver gives no bubbles. What is the best conclusion?

1. AThe bubbles are carbon dioxide from respiration
2. BHydrogen peroxide is broken down only by heat
3. CLiver contains an enzyme that is destroyed by boiling
4. DBoiled liver contains more hydrogen peroxide than fresh liver

Some viruses are surrounded by a lipid envelope taken from the host cell's membrane. Why are these viruses usually inactivated easily by soap and alcohol?

1. ASoap and alcohol dissolve the viral DNA directly
2. BSoap and alcohol break up the lipid envelope
3. CThe envelope is made of chitin, which soap digests
4. DEnveloped viruses have no proteins at all