解答つき看護学校入学試験のための生物ワークシート

What is the aim of gene therapy?

1. ATo give a patient antibiotics through a vein to kill a virus
2. BTo remove all the genes from a patient's cells
3. CTo change the patient's blood type
4. DTo treat a disease by adding a working copy of a faulty gene

細菌などの原核細胞にないものはどれか。

1. Aリボソーム
2. B細胞膜
3. CDNAの形の遺伝物質
4. D膜に包まれた核

What is a trait that is controlled by many genes called?

1. AA recessive trait
2. BA codominant trait
3. CA polygenic trait
4. DA sex-linked trait

Where does the oxygen released by photosynthesis come from?

1. AFrom water molecules that are split
2. BFrom chlorophyll that is used up
3. CFrom carbon dioxide molecules that are split
4. DFrom glucose that is broken down

Why can DNA profiling (fingerprinting) identify individual people?

1. AEach person's genes code for different amino acids
2. BEvery person has a different number of chromosomes in their cells
3. CDNA in blood differs from DNA in skin
4. DRepeated non-coding DNA regions vary in length between people

What is the job of the checkpoints in the cell cycle?

1. ATo copy the DNA a second time before mitosis
2. BTo stop the cycle if the DNA is damaged or the cell is not ready
3. CTo speed up division whenever the cell is short of nutrients or space
4. DTo join the two daughter cells back together

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 lion and the house cat
3. CThe lion and the tiger
4. DThe tiger and the house cat

A mutation changes one amino acid in an enzyme. In which location is the change most likely to stop the enzyme from working?

1. AOn the outer surface, far from the active site
2. BIn the active site
3. CIn a section that is removed after the protein is made
4. DIn the gene's stop codon