Phiếu bài tập Sinh học cho kỳ thi đầu vào điều dưỡng có đáp án

What is an antigen?

1. AA protein that carries oxygen
2. BA drug that kills viruses
3. CA molecule that the immune system sees as foreign
4. DA white blood cell that engulfs and digests bacteria

In which stage of the cell cycle does a cell spend most of its time?

1. AInterphase
2. BAnaphase
3. CProphase
4. DMetaphase

Thẩm thấu là sự khuếch tán của chất nào qua màng bán thấm?

1. AGlucose
2. BIon natri
3. CNước
4. DProtein

Many vitamins act as coenzymes. What does this mean?

1. AThey help enzymes carry out their reactions
2. BThey are digested to release large amounts of energy
3. CThey replace enzymes that have been denatured
4. DThey are built into the cell membrane

What is the role of cholesterol in animal cell membranes?

1. AIt carries glucose molecules across the membrane into the cell
2. BIt forms a rigid wall around the cell
3. CIt stores the cell's genetic information
4. DIt keeps membrane fluidity stable as temperature changes

Một cây có kiểu gene Aa được lai với cây aa. Dự kiến bao nhiêu phần của đời con biểu hiện tính trạng lặn?

1. A1/4
2. B1/2
3. CKhông cây nào
4. D3/4

The lion is Panthera leo, the tiger is Panthera tigris and the house cat is Felis catus. Which two are most closely related?

1. AAll three are equally related
2. BThe tiger and the house cat
3. CThe lion and the tiger
4. DThe lion and the house cat

A colour-blind man (XᵇY) has children with a woman who carries the allele (XᴮXᵇ). What is the probability that a daughter is colour-blind?

1. A0
2. B1/2
3. C1/4
4. D1