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 does DNA replication produce?

1. AFour different DNA molecules
2. BOne mRNA molecule
3. CA new protein
4. DTwo identical DNA molecules

ある生物の遺伝子型はBbである。これはどう表されるか。

1. A優性のホモ接合
2. Bヘテロ接合
3. C劣性のホモ接合
4. D半数体

What is a eukaryote?

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

Which sequence describes the usual flow of genetic information in a cell?

1. AProtein to RNA to DNA
2. BDNA to RNA to protein
3. CDNA to protein to RNA
4. DRNA to DNA to protein

What is the role of oxygen in aerobic respiration?

1. AIt is split to release the energy needed for glycolysis
2. BIt breaks pyruvate into lactic acid
3. CIt accepts electrons at the end of the transport chain
4. DIt is built into glucose molecules

相同染色体どうしの乗換えが起こるのはいつか。

1. A減数分裂の第二分裂終期
2. B体細胞分裂の後期
3. C減数分裂の第一分裂前期
4. D間期のS期

A new infectious agent passes through filters that trap bacteria, does not grow on nutrient agar and multiplies only inside living cells. What is it most likely to be?

1. AA virus
2. BA bacterium
3. CA fungus
4. DA protozoan

Ignoring crossing over, how many different combinations of chromosomes can one person's gametes have because of independent assortment?

1. A23², about 529
2. B2 × 23, which is 46
3. C46, one for each chromosome
4. D2²³, about 8 million