【简答题】A plant cell with the vacuole pushing out on the cell wall is said to be___________ and the vacuole is exerting turgor pressure on the inelastic cell wall.
【单选题】为让学生在课堂上积极发言,教师提出,如果学生能够做到,就减少布置作业的量,这个过程即( )。
【判断题】一个物理或化学变化,设计成原电池,只能设计成唯一的一种。
【单选题】About ___ cellulose molecules are held together via hydrogen bonds in a single cellulose microfibril. Cellulose microfibrils give the plant cell wall its tensile strength.
【多选题】美国的“社区发展合作组织”所具有的特征包括:
【简答题】Describe the structure of the plant cell wall?/植物细胞壁由哪几层构成?各有何特点?
【单选题】The structure of cellulose in the plant cell wall is simple: linear polymers of thousands of (β1→4)-linked D-glucose units, assembled into bundles of at least ___ chains, which co-crystallize to form ...