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Cambridge English: CAE (C1 Advanced) - Biology, Genetics & Life Processes

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Cambridge English: CAE (C1 Advanced)
nucleus
nucleus
[noun]

(biology) the part of a cell that contains most of the genetic information

Ex: The nucleus of a cell contains genetic material in the form of DNA, which regulates cellular activities. 
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metabolism

the chemical processes through which food is changed into energy for the body to use

Ex: Metabolism involves various biochemical reactions that convert nutrients from food into energy. 
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evolutionary
evolutionary
[Adjective]

related to evolution or the slow and gradual development of something

Ex: The evolutionary process has led to the diverse array of life forms we see today. 
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evolution
evolution
[noun]

(biology) the slow and gradual development of living things throughout the history of the earth

Ex: Evolution is the process by which species change over time in response to environmental pressures. 
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genome
genome
[noun]

the complete set of genetic material of any living thing

Ex: The human genome consists of approximately 3 billion base pairs of DNA, encoding all the information needed for human development and function. 
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mutation
mutation
[noun]

(biology) a change in the structure of the genes of an individual that causes them to develop different physical features

Ex: The fish exhibited a unique fin shape, which was later identified as a result of a genetic mutation. 
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embryo
embryo
[noun]

an unhatched or unborn offspring in the process of development, especially a human offspring roughly from the second to the eighth week after fertilization

Ex: During the first trimester, the human embryo undergoes rapid cell division and differentiation to form essential organs. 
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hybrid
hybrid
[noun]

an animal or plant with parents that belong to different breeds or varieties

Ex: The farmer proudly displayed his new hybrid, a cross between a Brahman and an Angus, which combined the best traits of both cattle breeds. 
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clone
clone
[noun]

a cell or a group of cells created through a natural or artificial process from a source that they are genetically identical to

Ex: The scientists observed the behavior of the bacterial clone to understand how it would respond to different antibiotics. 
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to reproduce

(of a living being) to produce offspring or more of itself

Ex: Animals reproduce by giving birth to or laying eggs that hatch into offspring. 
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stimulus
stimulus
[noun]

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

Ex: In a lab experiment, the researchers applied a visual stimulus to study participants to observe and measure their neurological responses. 
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synthesis
synthesis
[noun]

the act of producing a substance that exists in living beings

Ex: The liver plays a crucial role in the synthesis of proteins necessary for blood clotting. 
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bloom
bloom
[noun]

the organic process through which a plant produces flowers

Ex: During the spring bloom, the entire meadow is carpeted with wildflowers. 
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life cycle

all the different stages of grow and development of a living organism

Ex: The life cycle of a butterfly includes four main stages. 
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to wilt
to wilt
[Verb]

to become limp or droopy, usually due to lack of water or loss of vitality

Ex: The flowers wilted in the scorching sun as they awaited a much-needed drink. 
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lifespan
lifespan
[noun]

the total amount of time that an organism, person, or object is alive or able to function

Ex: Some species of turtles have a lifespan of over 100 years. 
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to inherit

to receive traits or attributes from a previous generation through genetic inheritance

Ex: She inherited her father's blue eyes and her mother's curly hair. 
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gestation period

the duration between conception and birth during which an embryo or fetus develops in the uterus

Ex: In humans, the average gestation period lasts approximately 40 weeks from conception to birth. 
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blood vessel

any tube structure inside the body through which blood can circulate, such as a vein, artery, etc.

Ex: The surgeon carefully repaired the damaged blood vessel to restore proper circulation. 
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bloodstream

the flowing blood in a circulatory system, moving through vessels to transport oxygen, nutrients, and waste products throughout the body

Ex: The antibiotic injection delivered medicine directly into the patient's bloodstream, speeding up recovery. 
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cell
cell
[noun]

an organism's smallest unit, capable of functioning on its own

Ex: The study of cells, known as cell biology or cytology, delves into their structure, function, and interactions. 
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cellular
cellular
[Adjective]

relating to or consisting of cells, the basic structural units of living organisms or systems

Ex: The human body is made up of trillions of cellular units, each performing specific functions. 
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cortex
cortex
[noun]

(anatomy) the outer layer of the anterior part of the brain, called cerebrum, containing gray matter

Ex: The cerebral cortex is the outer layer of the brain responsible for higher cognitive functions such as thinking, memory, and perception. 
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nutrient
nutrient
[noun]

a substance such as a vitamin, protein, fat, etc. that is essential for good health and growth

Ex: Fiber is a nutrient that aids in digestion. 
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pathogen
pathogen
[noun]

any organism that can cause diseases

Ex: The laboratory tests confirmed the presence of a bacterial pathogen responsible for the patient's severe food poisoning. 
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to evolve
to evolve
[Verb]

to develop from a simple form to a more complex or sophisticated one over an extended period

Ex: The Internet has evolved from a basic communication tool to a complex network of information. 
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domestication

the process of taming wild animals and developing them into pets or livestock through selective breeding and husbandry

Ex: Archaeologists believe the domestication of dogs began when ancient wolves scavenged near human campsites. 
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cardiovascular
cardiovascular
[Adjective]

related to the heart and blood vessels

Ex: Cardiovascular disease is a leading cause of death worldwide, encompassing conditions such as heart attacks and strokes. 
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gene
gene
[noun]

(genetics) a basic unit of heredity and a sequence of nucleotides in DNA that is located on a chromosome in a cell and controls a particular quality

Ex: The gene responsible for eye color is inherited from both parents. 
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