Science — English

What is the role of chromatin in cellular function?
Chromatin plays a crucial role in cellular function by packaging DNA into a compact, organized structure within the nucleus. This...
Added: 29 Mar 2000
Updated: 15 Nov 2025
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What is the significance of chromosomal theory in genetics?
The significance of the chromosomal theory in genetics lies in its assertion that genes are located on chromosomes, providing a...
Added: 29 Mar 2000
Updated: 20 Nov 2025
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What is the primary factor influencing the distribution of organisms in an ecosystem?
The primary factor influencing the distribution of organisms in an ecosystem is environmental factors, including abiotic and biotic components. Abiotic...
Added: 29 Mar 2000
Updated: 26 Nov 2025
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What is the process of cell division that produces gametes called?
The process of cell division that produces gametes is called meiosis. This specialized form of cell division results in four...
Added: 29 Mar 2000
Updated: 07 Nov 2025
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What is the common name for the extinction event that killed the dinosaurs?
The common name for the extinction event that killed the dinosaurs is the Cretaceous-Paleogene (K-Pg) extinction event. This mass extinction...
Added: 29 Mar 2000
Updated: 30 Nov 2025
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What is the term for the pressure exerted by a gas in a closed system?
The term for the pressure exerted by a gas in a closed system is known as gas pressure. This pressure...
Added: 29 Mar 2000
Updated: 11 Nov 2025
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What is the primary enzyme involved in the digestion of proteins?
The primary enzyme involved in the digestion of proteins is pepsin. Synthesized in the stomach, pepsin is activated from its...
Added: 29 Mar 2000
Updated: 28 Nov 2025
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What is the name of the cell cycle phase where the cell grows and prepares for division?
The name of the cell cycle phase where the cell grows and prepares for division is called the interphase. This...
Added: 29 Mar 2000
Updated: 30 Nov 2025
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What is the process through which organisms adapt to changes in their environment?
The process through which organisms adapt to changes in their environment is known as evolution. This occurs over generations as...
Added: 29 Mar 2000
Updated: 24 Nov 2025
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What is the significance of the greenhouse effect on Earth's climate?
The significance of the greenhouse effect on Earth's climate primarily lies in its role in regulating temperature. Certain gases, known...
Added: 29 Mar 2000
Updated: 20 Nov 2025
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What is the term for the movement of individuals into a population?
The term for the movement of individuals into a population is called immigration. This process can influence genetic diversity, reproductive...
Added: 29 Mar 2000
Updated: 08 Nov 2025
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What is the name given to the protective membrane surrounding the brain?
The protective membrane surrounding the brain is called the meninges. This three-layered structure consists of the dura mater, arachnoid mater,...
Added: 29 Mar 2000
Updated: 16 Nov 2025
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What is the role of insulin in the body?
The role of insulin in the body is to regulate blood glucose levels. Produced by the pancreas, insulin facilitates the...
Added: 29 Mar 2000
Updated: 29 Nov 2025
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What is the primary product of fermentation in yeast?
The primary product of fermentation in yeast is ethanol (alcohol) and carbon dioxide. This anaerobic process occurs when yeast cells...
Added: 29 Mar 2000
Updated: 14 Nov 2025
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What is the purpose of using phylogenetic trees in evolutionary biology?
The purpose of using phylogenetic trees in evolutionary biology is to illustrate the evolutionary relationships among different species. These diagrams...
Added: 29 Mar 2000
Updated: 27 Nov 2025
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What is the significance of gut bacteria in human health?
The significance of gut bacteria, or the gut microbiome, in human health is profound. These microorganisms assist in digestive processes,...
Added: 29 Mar 2000
Updated: 01 Nov 2025
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What is the primary technique used to identify different microorganisms?
The primary technique used to identify different microorganisms is culturing in a laboratory setting, often accompanied by microscopy and molecular...
Added: 29 Mar 2000
Updated: 14 Nov 2025
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What is the scientific study of how diseases affect populations called?
The scientific study of how diseases affect populations is known as epidemiology. This discipline involves investigating the patterns, causes, and...
Added: 29 Mar 2000
Updated: 26 Nov 2025
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What is the primary role of antioxidants in the body?
The primary role of antioxidants in the body is to combat oxidative stress caused by harmful molecules called free radicals....
Added: 29 Mar 2000
Updated: 04 Nov 2025
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What is the name of the process that allows for maintaining constant internal body conditions?
The process that maintains constant internal body conditions is called homeostasis. This regulatory mechanism ensures that variables such as temperature,...
Added: 29 Mar 2000
Updated: 11 Nov 2025
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