护理入学考试生物练习卷（附答案）

Which kind of organism causes malaria?

1. AA bacterium carried in water
2. BA fungus that grows on skin
3. CA protist carried by mosquitoes
4. DA virus spread by coughing

What is a pedigree in genetics?

1. AA table of codons and amino acids
2. BA list of all the genes in an organism
3. CA picture of a person's chromosomes arranged in pairs by size
4. DA chart that shows how a trait is inherited in a family

对照组的目的是什么？

1. A取代提出假设的需要
2. B为与处理组比较提供基线
3. C接受所检验处理的最大可能剂量
4. D使实验更快结束

What causes cohesion between water molecules?

1. AIonic bonds between oxygen atoms
2. BCovalent bonds between neighbouring molecules
3. CHydrogen bonds between neighbouring molecules
4. DMagnetic forces between hydrogen atoms

饱和脂肪与不饱和脂肪有何不同？

1. A它们没有 C=C 双键，通常是固态
2. B它们有许多双键，在室温下是液态
3. C它们很容易溶于水
4. D它们含有氮，能形成蛋白质

Sickle cell disease is caused by a single base change that replaces one amino acid in haemoglobin. What type of mutation is this?

1. AA frameshift mutation
2. BA missense mutation
3. CA silent mutation
4. DA nonsense mutation

双亲的血型都是 O 型。他们的子女可能是什么血型？

1. A只有 AB 型
2. B只有 O 型
3. C四种血型中的任何一种
4. DA 型或 O 型

In Tay-Sachs disease, a lysosomal enzyme does not work. What happens inside the affected nerve cells?

1. AThe ribosomes stop making proteins
2. BThe cells can no longer make ATP in their mitochondria
3. CThe DNA cannot be copied before division
4. DThe undigested substance builds up inside lysosomes