Ubisch bodies and lipid bodies are found in the glandular tapetums. In meiosis of microsporocyte, cytokinesisis is a simultaneous type, which produces an isobilateral tetrad.
小母细
减数分裂
质分裂为同时型,
四面体型四分体。
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Underneath the bacterial cell wall, there's the plasma membrane which is the most important layer because it encloses the cytoplasm which is a gel-like substance composed mainly of water that also contains cell components, enzymes, and various organic molecules.
膜存在细菌细
壁下面,这是最重要的一层,因为它包裹了
;
是主要由水组成的凝胶状物
,同时也包含细
成分、酶及各种有机小分子。