(2) Structure 2 is the nucleus, which is the control center of heredity and metabolism; Antibody is a secreted protein, and its synthesis and secretion process is: ribosome synthesis protein → rough endoplasmic reticulum → Golgi reprocessing → cell membrane, so cell structures 4, 3, 7 and 5 pass through in turn during antibody synthesis and secretion; In this process, the membrane area of endoplasmic reticulum decreases, the membrane area of Golgi remains basically unchanged, and the membrane area increases. The places that provide energy for this process are cytoplasmic matrix and mitochondria.
(3) The organelles related to antibody synthesis include ribosomes, endoplasmic reticulum, Golgi apparatus and mitochondria, among which mitochondria contain a small amount of DNA and RNA, and the main components of ribosomes are protein and RNA. According to this, it can be judged that A is 1 mitochondria and C is 4 ribosomes.
(4) The membrane organelle with the largest surface area in cells is endoplasmic reticulum, which acts as a workshop for protein synthesis, processing and lipid synthesis. Aging and damaged organelles in cells will be decomposed by lysosomes, the decomposed products will be left for reuse, and waste will be discharged from cells.
So the answer is:
(1) has a nuclear membrane (forming a nucleus, which is wrapped by the nuclear membrane).
(2)2? Nucleus? 4375 Gorky Road? Cytoplasmic matrix and mitochondria
(3) 1、4
(4) The lysosomes in the workshop of intracellular protein synthesis, processing and lipid synthesis are useful and reusable, and the wastes are discharged from the cells.