The endoplasmic reticulum (ER) is a cellular organelle involved in the synthesis, folding, and transport of proteins and lipids. It consists of a network of membranes within the cell, with rough ER studded with ribosomes for protein synthesis and smooth ER involved in lipid metabolism and detoxification. This is an […]
Ribosomes are cellular structures essential for protein synthesis. Composed of RNA and proteins, they read genetic instructions from mRNA and assemble amino acids into polypeptide chains. Found in both prokaryotic and eukaryotic cells, ribosomes play a crucial role in the translation of genetic information into proteins. This is an MCQ […]
The nucleolus is a distinct substructure within the cell nucleus where ribosomal RNA (rRNA) synthesis occurs. It plays a crucial role in assembling ribosomes, essential for protein synthesis. The nucleolus is vital for cellular functions, contributing to overall cell health. This is an MCQ on Nucleolus Structure and Functions. | […]
Mitochondria are double-membraned organelles within cells, acting as the powerhouse by generating energy through aerobic respiration. They produce adenosine triphosphate (ATP), crucial for cellular functions, making mitochondria essential for the energy needs of eukaryotic organisms. This is an MCQ on Mitochondria Structure and Functions. | Cell and Molecular Biology Notes […]
Lysosomes are cellular structures filled with enzymes that digest and recycle cellular waste, damaged organelles, and foreign substances. They play a crucial role in maintaining cellular health by breaking down and recycling materials, contributing to overall cellular homeostasis. This is an MCQ on Lysosomes – Structure and Functions. | Cell […]