آیلتس آکادمیک (باند 8 و بالاتر) - Biology

a tiny structure within cells that assembles proteins by reading the genetic instructions carried by messenger RNA

ریبوزوم

a cellular organelle involved in the processing, packaging, and distribution of proteins and lipids within the cell, consisting of a stack of flattened membrane sacs called cisternae

دستگاه گلژی

a small, enzyme-filled sac in a cell that breaks down waste materials and unwanted substances

لیزوزوم

an organelle that is abundantly present in most cells and is responsible for energy production

میتوکندری

a very small threadlike structure in a living organism that carries the genes and genetic information

کروموزوم, فام‌تن

a plant cell organelle that uses sunlight to produce energy and make glucose through photosynthesis

کلروپلاست

the gel-like, semifluid substance within a cell that surrounds the organelles, providing a medium for cellular activities, including metabolism, transport of substances, and support for cellular structures

سیتوپلاسم

a cell that has had its nucleus removed or the cellular material excluding the nucleus

سیتوپلاست

a network of protein fibers in a cell that gives it shape, supports its structure, and aids in movement

اسکلت سلولی

a molecule that forms the basic building block of DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base

نوکلئوتید

the complete set of genetic material of any living thing

ژنوم

a linear chain of amino acids linked by peptide bonds, forming a primary structure of a protein

رشته‌ای از اسیدهای آمینه که به هم متصل شدند

a specialized, membrane-bound structure within a cell that performs specific functions, contributing to the cell's overall structure and function

اندامک

a cell organelle in plants, fungi, and some protists that stores nutrients, manages waste, and helps maintain cell pressure

واکوئل

a pair of small cylinders near the nucleus in animal cells, organizing cell division by forming the mitotic spindle

سانتریول

a repetitive DNA sequence at the end of a linear chromosome, protecting it from deterioration during replication, and playing a role in cellular aging and cancer development

تلومر

a type of protein that plays a structural role in the packaging of DNA into nucleosomes, fundamental units of chromatin

هیستون

the observable physical and behavioral characteristics of an organism, resulting from the interaction of its genotype (genetic makeup) with the environment

رُخ‌نمود, فنوتیپ

the tendency of an organism or cell to regulate its internal environment and maintain a stable, balanced condition, despite external changes

هموستاز

the process by which the information encoded in the sequence of nucleotides in DNA is converted into a functional product, typically a protein

ترجمه (زیست‌شناسی)

the process by which a segment of DNA is used as a template to synthesize a complementary RNA molecule

رونویسی (زیست‌شناسی)

the process by which an organism duplicates its genetic material, particularly the copying of DNA in cell division

همانندسازی دی‌ان‌ای

an individual organism or cell with two different alleles at a specific gene locus, having inherited different genetic information from each parent

هتروزیگوت

an individual organism or cell with two identical alleles at a specific gene locus, having inherited the same genetic information from both parents

هموزیگوت

a sequence of three adjacent nucleotides in mRNA that codes for a specific amino acid during protein synthesis or serves as a start or stop signal in the translation process

کد ژنتیکی

a close and often long-term interaction between two different species living in close physical association, typically to the advantage of both

هم‌زیستی, زندگی تعاونی

a single-celled, microscopic organism belonging to the group of protozoa, characterized by a flexible cell membrane and the absence of a fixed body shape

آمیب, موجودات تک‌سلولی

the protein coat of a virus that encases its genetic material and helps it attach to and enter host cells during infection

کپسید

a green pigment found in all green plants and cyanobacteria that is responsible for the absorption of the sunlight needed for the photosynthesis process

کلروفیل

a type of living thing with cells that have a nucleus and other structures enclosed in membranes, like plants, animals, fungi, and some microorganisms

یوکاریوت

an offspring of a human or animal that is not born yet, particularly a human aged more than eight weeks after conception

جنین, رویان

a mature, female reproductive cell or egg, typically larger than a sperm cell, capable of fusing with a sperm cell during fertilization to form a zygote

تخمک

an enzyme produced in the stomach that helps in the digestion of proteins by breaking them down into smaller peptides

پپسین

a molecule that carries energy within cells, composed of adenine, a ribose sugar, and three phosphate groups

آدنوزین تری‌فسفات

a simple, single-celled organism that lacks a true nucleus and membrane-bound organelles, such as bacteria and archaea

پروکاریوت