
MCQ on Ribosome Structure and Functions
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 […]
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 […]
A dicot stem features epidermis, cortex, and pith. Vascular bundles, arranged in a ring, contain xylem for water transport and phloem for nutrient transport. The […]