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希望可以以後繼續有關於dse嘅影片
請問cell become flaccid 可否以plasmolysed 代替
最好不要,因為圖中觀察不到plasmolysis
2015 paper 1B q9 可唔可以寫 it is maintained by the rigidity of the thick-walled cells
以近年marking要求而言,唔可以。因為rigidity of the thick-walled cells唔夠specific,對於果D葉而言要講到vein / vascular bundle
其實條片入面第一題,即係2014 1BQ4 photograph A其實點樣分嗰三part係xylem, vascular cambium, phloem定係xylem, phloem, thick-walled cell?
咁樣stain左咁紅ge就係thick-walled cells,想要確定就要轉去high power睇清楚d
@@workhardplaycards 點解stain咗紅就係thick-walled cells嘅🙇🏻♂️
@@hiiamjimmy98 The stain, i.e., safranin, stains lignified tissues like xylem
@@workhardplaycards thxx
我問woody plants 同non woody plants 有咩分別?
woody plants 的部份xylem會填入lignin木質素,形成中間的「木」,而non woody plants則不會
@@workhardplaycards thanks 😃
希望可以以後繼續有關於dse嘅影片
請問cell become flaccid 可否以plasmolysed 代替
最好不要,因為圖中觀察不到plasmolysis
2015 paper 1B q9 可唔可以寫 it is maintained by the rigidity of the thick-walled cells
以近年marking要求而言,唔可以。
因為rigidity of the thick-walled cells唔夠specific,對於果D葉而言要講到vein / vascular bundle
其實條片入面第一題,即係2014 1BQ4 photograph A其實點樣分嗰三part係xylem, vascular cambium, phloem定係xylem, phloem, thick-walled cell?
咁樣stain左咁紅ge就係thick-walled cells,想要確定就要轉去high power睇清楚d
@@workhardplaycards 點解stain咗紅就係thick-walled cells嘅🙇🏻♂️
@@hiiamjimmy98 The stain, i.e., safranin, stains lignified tissues like xylem
@@workhardplaycards thxx
我問woody plants 同non woody plants 有咩分別?
woody plants 的部份xylem會填入lignin木質素,形成中間的「木」,而non woody plants則不會
@@workhardplaycards thanks 😃