Science — English

What is the primary role of a bacteriophage?
A bacteriophage's primary role is to infect and replicate within bacterial cells, leading to the destruction of the host bacteria....
Added: 30 Jan 2000
Updated: 16 Nov 2025
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What is the small, hair-like structure on a cell called?
The small, hair-like structure on a cell is called a cilia or flagella. These structures enable cellular movement and movement...
Added: 30 Jan 2000
Updated: 27 Nov 2025
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What is the relationship between ecology and environmental science?
The relationship between ecology and environmental science is interconnected, as both fields study interactions within ecosystems. Ecology focuses on organisms'...
Added: 30 Jan 2000
Updated: 24 Nov 2025
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What is a characteristic of unsaturated fats?
A characteristic of unsaturated fats is the presence of one or more double bonds in their fatty acid chains. These...
Added: 30 Jan 2000
Updated: 25 Nov 2025
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What is the role of the smooth endoplasmic reticulum in cells?
The role of the smooth endoplasmic reticulum (SER) in cells primarily involves the synthesis and metabolism of lipids and the...
Added: 30 Jan 2000
Updated: 01 Dec 2025
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What is the term for organisms that cannot produce their own energy?
The term for organisms that cannot produce their own energy is heterotrophs. Heterotrophs obtain energy by consuming organic matter from...
Added: 30 Jan 2000
Updated: 28 Nov 2025
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What is an abiotic factor in an ecosystem?
An abiotic factor in an ecosystem refers to non-living components that affect living organisms and their environment. Key abiotic factors...
Added: 30 Jan 2000
Updated: 07 Nov 2025
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What phenomenon is used to explain the rainbow effect in water droplets?
The phenomenon used to explain the rainbow effect in water droplets is refraction, along with dispersion and reflection. When light...
Added: 30 Jan 2000
Updated: 02 Nov 2025
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What is the main structural component of plant cell walls?
The main structural component of plant cell walls is cellulose, a complex carbohydrate made up of long chains of glucose...
Added: 30 Jan 2000
Updated: 23 Nov 2025
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What is the term for a sequence of DNA that codes for a specific trait?
The term for a sequence of DNA that codes for a specific trait is called a gene. Genes are the...
Added: 30 Jan 2000
Updated: 24 Nov 2025
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What is a primary ingredient in biofuels?
A primary ingredient in biofuels is biomass, which can include plant materials, agricultural residues, and waste. Common sources of biomass...
Added: 30 Jan 2000
Updated: 12 Nov 2025
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What is the role of the large intestine in the digestive system?
The role of the large intestine in the digestive system is crucial for the absorption of water and electrolytes, as...
Added: 30 Jan 2000
Updated: 27 Nov 2025
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What is the significance of the bromine element in chemical reactions?
The significance of the bromine element in chemical reactions lies in its role as a reactive nonmetal that participates in...
Added: 30 Jan 2000
Updated: 07 Nov 2025
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What is the main source of genetic variability in populations?
The main source of genetic variability in populations is mutations, along with sexual reproduction and gene flow. Mutations introduce new...
Added: 30 Jan 2000
Updated: 15 Nov 2025
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What is the role of climate in shaping ecosystems?
The role of climate in shaping ecosystems is vital. Climate determines the temperature, precipitation, and overall environmental conditions that influence...
Added: 30 Jan 2000
Updated: 04 Nov 2025
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What is the process by which chemicals are transferred from plants to animals?
The process by which chemicals are transferred from plants to animals is called trophic transfer. This transfer occurs through food...
Added: 30 Jan 2000
Updated: 04 Nov 2025
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What is a core characteristic of all mammals?
A core characteristic of all mammals is the presence of mammary glands, which produce milk for nourishing their young. This...
Added: 30 Jan 2000
Updated: 19 Nov 2025
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What is the name of the cellular process that converts food into ATP?
The cellular process that converts food into ATP is known as cellular respiration. This process occurs in the mitochondria of...
Added: 30 Jan 2000
Updated: 28 Nov 2025
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What are the basic components of an ecosystem?
The basic components of an ecosystem include producers (typically plants), consumers (herbivores, carnivores, omnivores), and decomposers (fungi, bacteria). Producers convert...
Added: 30 Jan 2000
Updated: 13 Nov 2025
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What is the simple sugar that serves as an energy source called?
The simple sugar that serves as an energy source is called glucose. Glucose is a monosaccharide and plays a crucial...
Added: 30 Jan 2000
Updated: 12 Nov 2025
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