Science — English

What is the term for a genetic phenomenon where one trait completely masks another?
The term for a genetic phenomenon where one trait completely masks another is complete dominance. In this scenario, the dominant...
Added: 20 Mar 2000
Updated: 17 Nov 2025
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What is the relationship between gene expression and phenotype?
The relationship between gene expression and phenotype is fundamental in understanding how genetic information translates into observable traits. Gene expression...
Added: 20 Mar 2000
Updated: 14 Nov 2025
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What is the term for the study of how organisms adapt to their environment?
The term for the study of how organisms adapt to their environment is ecology. This field encompasses the interactions between...
Added: 20 Mar 2000
Updated: 03 Nov 2025
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What is the significance of reproductive isolation in speciation?
The significance of reproductive isolation in speciation is that it prevents different species from interbreeding, thus maintaining genetic integrity. Mechanisms...
Added: 20 Mar 2000
Updated: 13 Nov 2025
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What is the role of the reticular activating system in arousal?
The role of the reticular activating system (RAS) in arousal involves regulating wakefulness and sleep-wake transitions. Located in the brainstem,...
Added: 20 Mar 2000
Updated: 18 Nov 2025
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What are the principles behind the greenhouse effect?
The principles behind the greenhouse effect involve the absorption and re-emission of infrared radiation by gases in the Earth's atmosphere....
Added: 20 Mar 2000
Updated: 27 Nov 2025
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What is the impact of urbanization on local ecosystems?
The impact of urbanization on local ecosystems is significant, leading to habitat destruction, fragmentation, and altered species interactions. As cities...
Added: 20 Mar 2000
Updated: 06 Nov 2025
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What is the role of selective permeability in cell membranes?
The role of selective permeability in cell membranes is to regulate the passage of substances in and out of the...
Added: 20 Mar 2000
Updated: 08 Nov 2025
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What is the significance of the surface area to volume ratio in cells?
The significance of the surface area to volume ratio in cells lies in its impact on cellular efficiency and function....
Added: 20 Mar 2000
Updated: 21 Nov 2025
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What is the main cause of habitat loss for many species?
The main cause of habitat loss for many species is human activities, particularly through deforestation, urbanization, and agriculture. As land...
Added: 20 Mar 2000
Updated: 10 Nov 2025
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What is the role of bacteria in nutrient cycling in ecosystems?
Bacteria play a crucial role in nutrient cycling within ecosystems, contributing to processes such as decomposition, nitrogen fixation, and organic...
Added: 20 Mar 2000
Updated: 09 Nov 2025
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What is the basic principle of competitive exclusion in ecology?
The basic principle of competitive exclusion in ecology suggests that two species competing for the same limited resources cannot coexist...
Added: 20 Mar 2000
Updated: 18 Nov 2025
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What is the significance of homeotic genes in development?
The significance of homeotic genes in development lies in their role in determining the body plan and segment identity of...
Added: 20 Mar 2000
Updated: 14 Nov 2025
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What is the process that leads to the breakdown of glucose without oxygen called?
The process that leads to the breakdown of glucose without oxygen is called anaerobic respiration. This process allows cells to...
Added: 20 Mar 2000
Updated: 13 Nov 2025
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What is the impact of climate change on polar bear habitat?
The impact of climate change on polar bear habitat is profound, primarily due to warming temperatures that lead to the...
Added: 20 Mar 2000
Updated: 22 Nov 2025
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What is the term for the geographic area where an organism naturally occurs?
The term for the geographic area where an organism naturally occurs is known as its habitat. This environment provides the...
Added: 20 Mar 2000
Updated: 24 Nov 2025
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What is the primary component of most biological membranes?
The primary component of most biological membranes is phospholipids. These molecules consist of a hydrophilic (water-attracting) head and two hydrophobic...
Added: 20 Mar 2000
Updated: 03 Nov 2025
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What is the role of adenosine triphosphate in cellular metabolism?
Adenosine triphosphate (ATP) plays a central role in cellular metabolism as the primary energy currency. It stores and transports chemical...
Added: 20 Mar 2000
Updated: 10 Nov 2025
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What is the significance of the genetic code in the synthesis of proteins?
The significance of the genetic code in the synthesis of proteins lies in its role as a template for translating...
Added: 20 Mar 2000
Updated: 09 Nov 2025
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What is the primary function of the thymus gland in the immune system?
The primary function of the thymus gland in the immune system is to facilitate the development and maturation of T...
Added: 20 Mar 2000
Updated: 04 Nov 2025
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