정답이 있는 간호학 입학 시험 대비 생물학 학습지

What are homologous chromosomes?

1. ATwo identical copies of one chromosome made when DNA is replicated
2. BChromosomes that are found only in gametes
3. CA matching pair, one from each parent, that carry the same genes
4. DTwo chromosomes that are always the X and the Y

What is homeostasis?

1. AMaking identical copies of a cell
2. BChanging a species over many generations
3. CBreaking down food for energy
4. DKeeping a stable internal environment

How many strands does an RNA molecule usually have?

1. AThree
2. BTwo
3. COne
4. DFour

A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?

1. ABinary fission
2. BMitosis
3. CFertilisation
4. DMeiosis

There are 64 possible codons but only about 20 amino acids. What does this tell you about the genetic code?

1. AEach codon codes for more than one amino acid at the same time
2. BMost amino acids are coded for by more than one codon
3. COnly 20 of the codons are ever used
4. DEach amino acid has exactly three codons

온도가 매우 높으면 대부분의 효소가 작용하지 못하는 이유는 무엇인가요?

1. A효소가 너무 느리게 움직여 기질을 만나지 못하기 때문이다
2. B효소가 변성되어 활성 부위의 모양이 바뀌기 때문이다
3. C기질이 다른 효소로 변하기 때문이다
4. D열 때문에 효소가 즉시 아미노산으로 나뉘기 때문이다

A scientist wants to show that a particular microbe causes a disease. According to Koch's postulates, which step is needed?

1. AThe microbe must be seen in the blood under a light microscope
2. BThe microbe grown from a sick host must cause the disease in a healthy host
3. CThe disease must be treated successfully with antibiotics
4. DThe microbe must be found in healthy hosts just as often as in sick hosts

DNA 주형 가닥이 3'-TACGGA-5'로 읽힙니다. 이로부터 만들어지는 mRNA는 무엇인가요?

1. A5'-ATGCCT-3'
2. B5'-TACGGA-3'
3. C5'-UACGGA-3'
4. D5'-AUGCCU-3'