問 1
1 点In the cell cycle, mitosis is a crucial process for multicellular organisms. Which of the following is not a primary function of mitosis in animals?
Pearson Edexcel GCSE (9-1) · Biology (1BI0)
Mitosis and the cell cycle：練習問題
その場で採点される選択問題 5 問と、解説つきの記述問題 2 問。すべて「Mitosis and the cell cycle」からの出題です。
7 問15 点無料・登録不要
問 2
1 点During the cell cycle, a specific stage involves the chromosomes condensing and the nuclear membrane breaking down. Which stage of mitosis is being described, and which stage follows it?
問 3
1 点A student observes a set of cells under a microscope. She notices that the chromosomes are lined up along the center of the cell and are attached to spindle fibers. Which stage of mitosis is she observing, and what event occurs immediately after this stage?
問 4
1 点The medulla oblongata is a vital part of the brain. Which of the following best describes its primary function and the difficulty associated with treating damage to it?
問 5
1 点In a reflex arc, which component is responsible for the integration of the signal between the sensory and motor neurons, and how does the signal cross the gap between them?
問 6
5 点Explain how PET scanning can be used to investigate brain function in a way that traditional CT scanning cannot, with reference to the difficulty of accessing brain tissue through the skull.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 7
5 点Compare the roles of sensory neurones and relay neurones in a reflex arc, specifically explaining how neurotransmitters facilitate the transmission of the impulse across a synapse.
まず自分で答えを書いてから、解説と照らし合わせましょう。
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