护理入学考试生物练习卷（附答案）

免费可打印的护理入学考试生物练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

新练习卷在线练习，附提示

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姓名: ____________________   日期: ____________

1.简单

What is a neuron?

  1. AA bone cell that stores calcium
  2. BA blood cell that carries oxygen around the body
  3. CA nerve cell that carries electrical signals
  4. DA muscle cell that contracts
2.简单

被认为有生命的最小单位是什么？

  1. A细胞
  2. B原子
  3. C分子
  4. D组织
3.简单

哪种结构存在于植物细胞中而不存在于动物细胞中？

  1. A核糖体
  2. B线粒体
  3. C细胞膜
  4. D细胞壁
4.中等

A person catches chickenpox once and does not usually become ill with it again. Why?

  1. AMemory cells give a faster, stronger response the next time
  2. BThe skin becomes thicker after the first infection
  3. CAntibodies from the first infection turn into new viruses
  4. DThe virus stays in the blood and kills new viruses
5.中等

Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?

  1. AOn the rough endoplasmic reticulum
  2. BIn the nucleus
  3. CIn the mitochondrial matrix
  4. DIn the cytoplasm
6.中等

What is the function of the pores in the nuclear envelope?

  1. AThey let chromosomes leave the nucleus to be copied
  2. BThey make ribosomal RNA for the cell
  3. CThey let molecules such as mRNA pass in and out
  4. DThey attach the nucleus to the cell membrane
7.困难

为什么身体把长期能量储存为脂肪而不是糖原？

  1. A每克脂肪所含的能量是糖原的两倍多
  2. B脂肪很容易溶于血液
  3. C脂肪是一种蛋白质
  4. D糖原不能被分解为葡萄糖
8.困难

一个点突变使密码子 GAA 变为 GAG，两者都编码谷氨酸。这是哪种突变？

  1. A沉默突变
  2. B无义突变
  3. C移码突变
  4. D染色体缺失

答案

  1. 1. C · A nerve cell that carries electrical signals
  2. 2. A · 细胞
  3. 3. D · 细胞壁
  4. 4. A · Memory cells give a faster, stronger response the next time
  5. 5. C · In the mitochondrial matrix
  6. 6. C · They let molecules such as mRNA pass in and out
  7. 7. A · 每克脂肪所含的能量是糖原的两倍多
  8. 8. A · 沉默突变

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