Smooth endoplasmic reticulum ______________ .
The smooth endoplasmic reticulum (SER) is a vital component of the cell's machinery and plays a significant role in various biosynthetic processes. Let's examine each option to justify the correct answer:
- The statement "is the major site for the synthesis of lipids" is correct. The SER is primarily involved in the synthesis of lipids, including phospholipids and cholesterol, which are essential components of cell membranes. This makes it crucial for the maintenance and production of the lipid bilayer.
- "Is actively involved in protein synthesis" is incorrect for the smooth endoplasmic reticulum. Protein synthesis is primarily associated with the rough endoplasmic reticulum (RER), which has ribosomes attached to its surface, facilitating the translation of proteins.
- "Is a site for the synthesis of carbohydrates" is not characteristic of the SER. While some carbohydrate-related processes may occur in the ER, it is not the primary site for carbohydrate synthesis.
- "Has ribosomes attached to its surface" is incorrect. Ribosomes are attached to the RER, giving it a 'rough' appearance under a microscope, which is distinct from the 'smooth' surface of the SER.
Based on the above analysis, the most accurate statement about the smooth endoplasmic reticulum is that it "is the major site for the synthesis of lipids."
Similar Questions
- Which one of the following is the site for active ribosomal RNA synthesis ?
The correct sequence of adult cell cycle phases is _______________ .
Cell theory was formulated by __________________ .
- Given below are two statements :
Statement I : Chromosomes are fully condensed at the end of prophase I.
Statement II : Meiosis I resembles mitosis.
In the light of the above statements, choose the most appropriate answer from the options given below : Endomembrane system includes _______________ .
The plastid that stores xanthophyll is known as ________.
- Mitochondrial inner membrane encloses ______
- Match List-I with List-II.
List-I List-II A. Starch I. Fights infection B. Antibody II. Energy storage C. Concanavalin A III. Glucose transport D. Glut-4 IV. Lectin
Choose the correct answer from the options given below : - Match List-I with List-II.
List-I List-II A. Cristae I. Flat membrane sacs in stroma of chloroplast B. Cisternae II. Infoldings in mitochondria C. Thylakoids III. Cell membrane D. Phospholipid IV. Disc shaped sacs in the Golgi apparatus
Choose the correct answer from the options given below : - Arrange the following elements in descending order of their contribution to percentage weight of the human body.
(a) Oxygen
(b) Carbon
(c) Hydrogen
(d) Nitrogen
Choose the correct answer from the options given below :
Important Questions from Cell Structure and Function
- Which one of the following is the site for active ribosomal RNA synthesis ?
The correct sequence of adult cell cycle phases is _______________ .
Cell theory was formulated by __________________ .
- Given below are two statements :
Statement I : Chromosomes are fully condensed at the end of prophase I.
Statement II : Meiosis I resembles mitosis.
In the light of the above statements, choose the most appropriate answer from the options given below : Endomembrane system includes _______________ .
