第 1 题
1 分Which statement correctly compares the structure of cilia and centrioles?
Cambridge International A Level · Biology (9700)
Cell structure：练习题
5 道选择题即时批改，另有 5 道文字题附完整解题步骤，全部围绕「Cell structure」。
10 道题目21 分免费，无需注册
第 2 题
1 分Which group of organelles are all surrounded by an envelope consisting of two phospholipid bilayers?
第 3 题
1 分Which statement correctly describes the relationship between the nucleolus and ribosomes in a eukaryotic cell?
第 4 题
1 分In which specific part of a plant cell are plasmodesmata located?
第 5 题
1 分Which statement correctly describes the arrangement of microtubules in the cilia of eukaryotic cells?
第 6 题
2 分Name the structure composed of protein that surrounds the nucleic acid core in all viruses.
先自己写一遍答案，再对照解题步骤。
第 7 题
4 分A student produces a drawing of a plant cell where the cell wall is measured as \( 24\ \text{mm} \) in length. If the magnification of the drawing is \( \times 1200 \), calculate the actual length of the cell wall in micrometres (\(\mu\text{m}\)).
先自己写一遍答案，再对照解题步骤。
第 8 题
2 分Name the two main chemical components that together form the structure of a eukaryotic ribosome.
先自己写一遍答案，再对照解题步骤。
第 9 题
4 分(a) Outline the function of lysosomes within an animal cell.
(b) Describe the role of microvilli in the cell surface membrane of certain eukaryotic cells.
(c) State the name of the membrane that surrounds the large permanent vacuole in plant cells and name one cellular process that requires \(ATP\) for the movement of substances through the cell surface membrane.
先自己写一遍答案，再对照解题步骤。
第 10 题
4 分(a) Identify two structural features of a plant cell that distinguish it from an animal cell, excluding the cell wall.
(b) Describe the function of the tonoplast and explain how it contributes to the maintenance of turgidity within a plant cell.
先自己写一遍答案，再对照解题步骤。
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