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 cell differentiation?

1. AThe process by which cells die on purpose
2. BThe process by which a cell divides into two
3. CThe process by which DNA is copied
4. DThe process by which cells become specialised

What is a eukaryote?

1. AAn organism whose cells have a nucleus
2. BA virus that infects animal cells
3. CAn organism made of a single cell without a nucleus
4. DAn organism that lives only in extreme heat

DNAなどの核酸の単量体は何か。

1. Aアミノ酸
2. Bグルコース分子
3. Cグリセロール分子
4. Dヌクレオチド

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves 3 K⁺ out and 2 Na⁺ in, using ATP
2. BMoves Na⁺ in and K⁺ out, without using ATP
3. CMoves 3 Na⁺ out and 2 K⁺ in, using ATP
4. DMoves 2 Na⁺ out and 3 K⁺ in, using ATP

What does RNA polymerase do?

1. AIt builds an RNA strand from a DNA template
2. BIt removes introns from pre-mRNA
3. CIt copies the whole genome before cell division
4. DIt builds a protein from an mRNA template

脱水縮合反応では何が起こるか。

1. A浸透によって細胞から水が取り除かれる
2. B細胞が乾燥して死ぬ
3. C水分子が加わることで重合体が分解される
4. D2 つの単量体が結合し、水分子が 1 つ放出される

減数分裂のとき、1 対の染色体が分離しなかった。何が起こりうるか。

1. A親細胞と遺伝的に同一の配偶子ができる
2. B各染色体の遺伝子がちょうど 2 倍になった配偶子ができる
3. CDNAをまったく含まない配偶子ができる
4. D染色体が 1 本多い、または 1 本足りない配偶子ができる

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

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