একাডেমিক IELTS (ব্যান্ড 6-7) - Biology

a substance that all living organisms produce that brings about a chemical reaction without being altered itself

এনজাইম

a thin sheet of tissue that separates or covers the inner parts of an organism

মেমব্রেন

a group of cells in the body of living things, forming their different parts

তন্তু

(biology) the colorless liquid part of the blood in which the blood cells are suspended

প্লাজমা

any of a class of organic substances that do not dissolve in water that include many natural oils, waxes, and steroids

লিপিড

any organic compound that creates the basic structure of proteins

আমিনো অ্যাসিড

a junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter

সিন্যাপস

the genetic makeup of an organism, determined by the combination of genes inherited from its parents

জিনোটাইপ

a type of cell division that reduces the chromosome number by half, resulting in the formation of gametes (sperm and egg cells) for sexual reproduction

মেইওসিস

a type of cell division that results in the formation of two daughter cells, each having the same number of chromosomes as the parent cell

মাইটোসিস

a branching extension of a neuron that receives signals from other neurons and conducts electrical impulses toward the cell body

ডেনড্রাইট

a long, slender projection of a nerve cell that conducts electrical impulses away from the cell body towards other neurons or target cells

অ্যাক্সন

the system of glands and organs that produce and release hormones into the bloodstream, regulating various physiological functions and maintaining homeostasis

এন্ডোক্রাইন সিস্টেম

a gland that secretes substances, such as enzymes or mucus, through ducts that lead to the external environment or a body cavity, rather than directly into the bloodstream

এক্সোক্রাইন গ্রন্থি

a steroid hormone that the body produces and is used in medicine to help cure skin diseases

কোর্টিসল

something that triggers a reaction in various areas like psychology or physiology

উদ্দীপক

a small, membrane-bound sac within a cell, involved in the transport, storage, or release of substances

ভেসিকেল