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 round (spherical) bacteria called?

1. AVibrios
2. BBacilli
3. CCocci
4. DSpirilla

What does the enzyme DNA ligase do?

1. AIt unwinds the DNA double helix
2. BIt makes RNA from a DNA template
3. CIt joins pieces of DNA together
4. DIt cuts DNA at specific sites

What is endocytosis?

1. AReleasing material from the cell by fusing vesicles with the membrane
2. BMoving water across the membrane by osmosis
3. CSplitting the cytoplasm after the nucleus divides
4. DTaking material into the cell by folding the membrane around it

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is controlled only by the environment
2. BIt is an X-linked recessive trait
3. CIt is controlled by one gene with two alleles and full dominance
4. DIt is controlled by many genes and also affected by environment

After gel electrophoresis, which DNA fragments are found furthest from the wells?

1. AThe largest fragments
2. BThe fragments with the most adenine
3. CThe fragments with the most guanine
4. DThe smallest fragments

Clostridium tetani grows in deep puncture wounds but is killed by oxygen. How is this bacterium described?

1. AAn obligate aerobe
2. BA photosynthetic bacterium
3. CAn obligate anaerobe
4. DA facultative anaerobe

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. ATheir ancestors had legs
2. BThey were caused by a recent mutation
3. CThe bones are needed for swimming
4. DThey will grow legs in the future

体細胞分裂と減数分裂を正しく比べているのはどれか。

1. Aどちらも、生殖のために親細胞の半分の染色体数の配偶子をつくる
2. B体細胞分裂は分裂が 2 回あり、同一の 4 つの細胞ができる
3. C減数分裂は、親と同一の 2 つの細胞をつくる
4. D減数分裂は分裂が 2 回あり、遺伝的に異なる 4 つの半数体細胞ができる