정답이 있는 간호학 입학 시험 대비 생물학 학습지

세포막의 기본 구조는 무엇인가요?

1. A단백질이 박혀 있는 인지질 이중층
2. B녹말 분자로 된 한 겹의 막
3. C셀룰로스 섬유와 리그닌으로 된 단단한 층
4. D펩티도글리칸으로 된 두꺼운 벽

포도당은 어떤 종류의 분자에 해당하나요?

1. A단당류
2. B단백질
3. C지질
4. D다당류

In an enzyme reaction, what is the substrate?

1. AThe gene that codes for the enzyme
2. BThe substance that the enzyme acts on
3. CThe product released at the end
4. DThe part of the enzyme that changes shape

What happens when a ribosome reaches a stop codon on the mRNA?

1. AThe ribosome goes back to the start codon
2. BThe mRNA is copied back into DNA
3. CA special amino acid is added to end the chain
4. DTranslation ends and the protein is released

Why does ice float on liquid water?

1. AIce is denser than liquid water
2. BHydrogen bonds hold ice in an open, less dense structure
3. CIce molecules are lighter than liquid water molecules
4. DIce contains more air than liquid water

Why is water good at dissolving salts and sugars?

1. AIt has a very low boiling point
2. BIt contains carbon atoms
3. CIts molecules are nonpolar
4. DIts molecules are polar

How does the CRISPR-Cas9 gene-editing system find the right place to cut DNA?

1. AIt reads the amino acid sequence of the protein
2. BThe Cas9 protein cuts DNA at random sites
3. CA guide RNA pairs with the matching DNA sequence
4. DIt binds only to the start codon of every gene

AaBb 식물을 aabb 식물과 교배합니다. 두 유전자는 독립적으로 분리됩니다. 자손에서 기대되는 표현형 비는 얼마인가요?

1. A1 : 2 : 1
2. B3 : 1
3. C9 : 3 : 3 : 1
4. D1 : 1 : 1 : 1