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

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

1. AGlucose
2. BNước
3. CProtein
4. DIon natri

Which definition of a species is most often used for animals?

1. AAll the animals that eat the same food
2. BA group that can interbreed and have fertile offspring
3. CAny organisms that look alike
4. DAll of the different organisms that live together in one area

Lysosome làm gì?

1. ATiêu hóa chất thải và các bộ phận cũ hỏng
2. BThu năng lượng ánh sáng cho tế bào
3. CLưu trữ thông tin di truyền của tế bào
4. DTạo protein từ các amino acid

What is a random sample?

1. AA group where everyone in the population has an equal chance of being chosen
2. BA group chosen by the researcher because they are easy to reach and willing
3. CA group chosen because they are likely to support the hypothesis
4. DA group made only of people who volunteer to take part

What does the enzyme lipase break down?

1. AFats into fatty acids and glycerol
2. BDNA into nucleotides
3. CStarch into sugars
4. DProteins into amino acids and peptides

The genetic code is described as nearly universal. What does this mean?

1. AAll organisms have exactly the same genes
2. BEvery cell in the body makes the same proteins
3. CAll organisms have the same number of chromosomes in their cells
4. DThe same codons mean the same amino acids in nearly all organisms

A single-celled microbe has a nucleus and a cell wall made of chitin, and it reproduces by budding. What is it most likely to be?

1. AAn amoeba
2. BA yeast
3. CA virus
4. DA bacterium

PCR starts with one double-stranded DNA molecule, and the number of copies doubles each cycle. How many copies are there after 10 cycles?

1. A1024
2. B512
3. C20
4. D100