1.やさしい
What is cytokinesis?
- AThe condensing of chromosomes in prophase
- BThe pairing of homologous chromosomes
- CThe copying of DNA before division
- DThe division of the cytoplasm into two cells
2.やさしい
ヒトで減数分裂によってつくられる細胞はどれか。
- A卵子と精子
- B肝細胞
- C骨髄の赤血球
- D皮膚細胞
3.やさしい
What is a karyotype?
- AA map of the organelles inside a cell
- BA picture of a cell's chromosomes arranged in pairs by size
- CA list of all the proteins that a cell makes during its life
- DA diagram of a family's inheritance pattern
4.ふつう
What are introns?
- ACodons that tell the ribosome to stop translation
- BNon-coding sections removed from pre-mRNA before translation
- CShort pieces of DNA made on the lagging strand
- DCoding sections joined together to form the mature mRNA
5.ふつう
The results of an experiment do not support the hypothesis. What should the scientist do next?
- AReport that the hypothesis was proven correct
- BRevise the hypothesis and test it again
- CChange the data so they fit the hypothesis
- DStop doing any further research on the question
6.ふつう
Why must human gametes be haploid?
- ASo that the gametes can make more proteins
- BSo that the zygote has the normal number of 46 chromosomes
- CSo that the gametes can divide quickly by mitosis
- DSo that the zygote has twice the normal number of chromosomes
7.むずかしい
Sucrose is broken down into glucose and fructose during digestion. What type of reaction is this?
- ADehydration synthesis, which releases a water molecule
- BHydrolysis, which uses a water molecule
- CHydrolysis, which releases a water molecule
- DDehydration synthesis, which uses a water molecule
8.むずかしい
薬の臨床試験で、ある群には本物の薬に見た目が似た砂糖の錠剤が与えられる。それはなぜか。
- A本物の薬の用量を増やすため
- B治療を期待することによる改善であるプラセボ効果を統制するため
- C本物の薬の費用を節約するため
- Dすべての患者が確実に治るようにするため
解答
- 1. D · The division of the cytoplasm into two cells
- 2. A · 卵子と精子
- 3. B · A picture of a cell's chromosomes arranged in pairs by size
- 4. B · Non-coding sections removed from pre-mRNA before translation
- 5. B · Revise the hypothesis and test it again
- 6. B · So that the zygote has the normal number of 46 chromosomes
- 7. B · Hydrolysis, which uses a water molecule
- 8. B · 治療を期待することによる改善であるプラセボ効果を統制するため
ステップごとの詳しい解答:このトピックは examproblems.com で練習できます。