Proteoglycans are macromolecules composed of a core protein linked to long chains of glycosaminoglycans (GAGs). Abundant in extracellular matrices, they provide structural support, regulate cell behavior, and contribute to tissue resilience. The negatively charged GAGs confer unique properties to proteoglycans, influencing their biological functions. This is an MCQ on Proteoglycans […]
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MCQ on Carbohydrates Structure and Functions
Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen, typically in a 1:2:1 ratio. They serve as a primary source of energy for living organisms and include sugars, starches, and fibers found in foods like fruits, grains, and vegetables. This is an MCQ on Carbohydrates Structure and Functions. | […]
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MCQ on Cyclic AMP Structure and Functions
Cyclic AMP (cAMP) is a signaling molecule involved in intracellular communication. It is derived from adenosine triphosphate (ATP) and functions as a second messenger, activating various cellular processes by binding to and modulating protein kinase activity, playing a crucial role in signal transduction pathways. This is an MCQ on Cyclic […]
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MCQ on GTP Structure and Functions
Guanosine Triphosphate (GTP) is a nucleotide involved in cellular energy transfer and signal transduction. Similar to ATP, it serves as a high-energy molecule, contributing to various biochemical processes, including protein synthesis and G-protein signaling, crucial for cell function and regulation. This is an MCQ on GTP Structure and Functions. Molecular […]
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MCQ on ATP Structure and Functions
Adenosine Triphosphate (ATP) is a nucleotide that serves as the primary energy currency in cells. It stores and releases energy through the transfer of its phosphate groups, crucial for various cellular activities, including metabolism, muscle contraction, and active transport processes. This is an MCQ on ATP Structure and Functions. Molecular […]
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