The difference in lipid and protein composition between the membranes of the endomembrane system is largely determined byGroup of answer choicesthe physical separation of most membranes from each other.the function of the Golgi apparatus in sorting membrane components.the modification of the membrane components once they reach their final destination.the transportation of membrane among the endomembrane system by small membrane vesicles.the synthesis of lipids and proteins in each of the organelles of the endomembrane system.
Question
The difference in lipid and protein composition between the membranes of the endomembrane system is largely determined byGroup of answer choicesthe physical separation of most membranes from each other.the function of the Golgi apparatus in sorting membrane components.the modification of the membrane components once they reach their final destination.the transportation of membrane among the endomembrane system by small membrane vesicles.the synthesis of lipids and proteins in each of the organelles of the endomembrane system.
Solution
The difference in lipid and protein composition between the membranes of the endomembrane system is largely determined by the function of the Golgi apparatus in sorting membrane components.
Here's a step-by-step explanation:
-
The endomembrane system is a group of membranes and organelles in eukaryotic cells that work together to modify, package, and transport lipids and proteins.
-
Among these organelles is the Golgi apparatus, which acts like a post office for the cell's proteins. It receives proteins from the endoplasmic reticulum, modifies them, sorts them, and sends them to their final destinations.
-
The Golgi apparatus has the ability to modify the lipids and proteins it receives, adding various molecules that serve as 'addresses' to direct them to the right location.
-
This sorting and directing function of the Golgi apparatus is what largely determines the difference in lipid and protein composition between the membranes of the endomembrane system.
-
The other options listed (physical separation of membranes, modification of components at their final destination, transportation by vesicles, and synthesis in each organelle) all play roles in the function of the endomembrane system, but they do not have as direct an impact on the lipid and protein composition of the membranes as the sorting function of the Golgi apparatus.
Similar Questions
Which of the following processes and organelle(s) accounts for the replacement of lipids and proteins lost from the plasma membrane?Group of answer choicesEndocytosis and GolgiActive transport and the rough endoplasmic reticulumExocytosis and smooth and rough ERFlip-flop of phospholipids from one side of the plasma membrane to the other and the Golgi apparatusReceptor-mediated endocytosis and smooth ER and Golgi apparatus
The Golgi apparatus remains in close association with the endoplasmic reticulum becauseIt is formed by vesicular structure formed by packaging in nucleus.Materials to be packaged in the form of vesicles from the ER, fuses with cis face of the Golgi apparatus and move towards maturing face.The Golgi apparatus principally perform the functions of packaging materialRough endoplasmic reticulum is frequently observed in the cells actively involved in protein synthesis and secretion
What is the primary function of the Golgi apparatus?A. It translates messenger RNAs into proteins.B. It provides storage space for food and water.C. It produces ATP.D. It houses genetic material.E. It packages and processes proteins and lipid for transport to designated locations in the cell.
The endomembrane system includes ________.Golgi apparatus, lysosomes, ribosomes, and the endoplasmic reticulumribosomes, lysosomes, vacuoles, and the endoplasmic reticulumGolgi apparatus, nucleolus, vacuoles, and the endoplasmic reticulumGolgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum
67. Which of the following statement isincorrect:-Pg-131, easyA) The ratio of proteins and lipids variesconsiderably in different cells.B) In erythrocytes; it has approximately52% proteins and 40% lipids.C) On the basis of ease of extractionmembrane proteins are of extrinsic andintrinsic type.D) None of the above68. The improved model of the structure of cellmembrane was proposed by:-Pg-132, easyA) Messelson & StahlB) Schleiden & SchwannC) Anton von LeeuwenhoekD) Singer and Nichloson69. The quasi–fluid nature of lipid enables:-Pg-132, easyA) Flip–flop movement of proteins withinthe lipid bilayer.TG: @Chalnaayaaar
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.