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 are the three parts of a nucleotide?

1. AAn amino group, a sugar and a fatty acid
2. BA glycerol, a phosphate and a fatty acid
3. CA carboxyl group, a base and a lipid
4. DA phosphate, a sugar and a nitrogen base

What is an allele?

1. AA different version of the same gene
2. BA section of DNA between genes
3. CA protein made from a gene
4. DA pair of matching chromosomes from each parent

生きているとみなされる最小の単位はどれか。

1. A組織
2. B原子
3. C分子
4. D細胞

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungi are much smaller than bacteria
2. BFungal cells are eukaryotic, like human cells
3. CFungi reproduce only by binary fission
4. DFungi have no cell membrane for drugs to act on

What does Mendel's law of segregation state?

1. AEach gamete receives both alleles of every gene
2. BDominant alleles are more common in a population than recessive ones
3. CThe two alleles of a gene separate so each gamete gets only one
4. DGenes on different chromosomes are always inherited together

促進拡散は単純拡散とどう違うか。

1. Aチャネルタンパク質または運搬体タンパク質を使うが、ATPは使わない
2. BポンプとATPを使って、勾配に逆らって分子を移動させる
3. C酸素などの気体だけを移動させる
4. DATPを使って分子を濃度の低いほうから高いほうへ移動させる

A food sample turns purple with biuret reagent but stays yellow-brown with iodine solution. What does the sample contain?

1. ABoth protein and starch
2. BFat but no protein
3. CProtein but no starch
4. DStarch but no protein

Cyanide stops mitochondria from making ATP. Which process in the affected cells would stop first?

1. ASimple diffusion of oxygen into the cell
2. BFacilitated diffusion of glucose down its gradient
3. COsmosis of water across the membrane
4. DPumping of Na⁺ and K⁺ by the sodium-potassium pump