首页 > 植物细胞的基本结构包括、、、。-七年级生物
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在显微镜下能观察到叶绿体的是[]A.洋葱内表皮细胞B.人体口腔上皮细胞层C.番茄果肉细胞D.黄瓜表层果肉细胞-七年级生物
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苹果在没有成熟的时候,细胞中含有叶绿体,同时还有酸涩的物质,这些酸涩的物质和叶绿体分别存在于细胞的[]A.细胞核和细胞质中B.细胞质和液泡中C.细胞质和细胞核中D.液泡和细-七年级生物
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运用生物学相关知识回答下列问题:(1)上图是________细胞模式图,判断的依据是该细胞有细胞壁、_____和_____(填写字母代号)。(2)菠菜浸泡在清水中,清水不变色;用开水浸泡后-七年级生物
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西瓜味甜多汁,原因是西瓜中含有大量的糖和水,这汁液主要是存在于西瓜细胞的[]A.细胞壁B.细胞膜C.细胞核D.液泡-七年级生物
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下列结构中,起保护和支持作用的结构是[]A.细胞壁B.细胞膜C.细胞质D.细胞核-七年级生物
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下列材料中,可以直接放在显微镜下观察的是[]A.一片树叶B.一根头发C.手指头D.写有“上”字的玻片标本-七年级生物
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下图是植物细胞示意图,请据图回答:(1)注明名称:[2]____[3]____[4]____。(2)对细胞有支持和保护作用的是[]____。(3)带酸味、甜味的物质存在于[]____中。(4)动物细胞
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植物细胞的形态和结构都是相同的。[]-七年级生物
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洋葱、番茄等植物体由无数个细胞构成。[]-七年级生物
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细胞内的能量转换器是①细胞核②叶绿体③线粒体④细胞膜[]A.①②B.②③C.②④D.①④-七年级生物
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下图为植物细胞结构模式图,据图回答问题。(1)对细胞起保护和支持作用的是[]__________。(2)控制物质进出细胞的结构是[]__________。(3)遗传物质存在于[]__________内
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在番茄细胞中,含有遗传物质的结构主要是:[]A.细胞壁B.细胞核C.细胞质D.液泡-六年级生物
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土壤中的水分和无机盐能进入细胞,而有害物质不能进入细胞,这主要是由于[]A.细胞壁能控制物质的进出B.细胞膜能控制物质进出C.细胞质能控制物质进出D.细胞壁的保护作用-七年级生物
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下列有关液泡的叙述中,错误的是[]A.液泡外面由液泡膜包被着B.液泡位于细胞质中C.植物所有的细胞都有一个大液泡D.液泡内充满着细胞液-七年级生物
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植物根尖细胞中的能量转换器有[]A.液泡B.线粒体和叶绿体C.线粒体D.叶绿体-七年级生物
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植物细胞的基本结构包括、、、。-七年级生物
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