Glyoxysomes are specialized peroxisomes found in plant cells. They participate in lipid metabolism, converting stored lipids into carbohydrates during germination of seeds. Glyoxysomes contain enzymes like isocitrate lyase and malate synthase that enable this conversion in the glyoxylate cycle. This is an MCQ on Glyoxisomes Structure and Functions. | Cell […]
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 […]
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 oxygen, supporting plant growth while contributing to the Earth’s oxygen. This is an MCQ on Chloroplast Structure and Functions. | Cell and Molecular Biology Notes […]
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 growth due to the absence of a vascular cambium. A cuticle covers the epidermis. This is an MCQ on Anatomy of Monocot Stem with Answer […]
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 and phloem arranged in a ring. Root cap protects the growing tip, aiding in soil penetration. This is an MCQ on Anatomy of Monocot Root. […]