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MCQ on Endoplasmic Reticulum – Structure and Functions
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 […]
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 […]
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 […]
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 […]
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, […]
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 […]
Chloroplasts are essential plant cell organelles containing chlorophyll, facilitating photosynthesis by capturing light energy and converting it into chemical energy. This process produces glucose and […]
A monocot stem consists of epidermis with stomata, a scattered arrangement of vascular bundles containing xylem and phloem, and ground tissue. The stem lacks secondary […]
A monocot root comprises an epidermis with root hairs, a cortex for storage, and an endodermis with a Casparian strip. The vascular cylinder contains xylem […]
A monocot leaf has a single layer of epidermis with stomata for gas exchange. Vascular bundles are scattered throughout the ground tissue, lacking a distinct […]