Science — English

What is the macromolecule that serves as the main source of energy for living organisms?
The macromolecule that serves as the main source of energy for living organisms is carbohydrates. Simple carbohydrates, like glucose, provide...
Added: 17 Apr 2000
Updated: 04 Nov 2025
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What is the primary function of the endoplasmic reticulum in cells?
The primary function of the endoplasmic reticulum (ER) in cells is to synthesize proteins and lipids. The ER exists in...
Added: 17 Apr 2000
Updated: 09 Nov 2025
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What is the main byproduct of photosynthesis?
The main byproduct of photosynthesis is oxygen. During this process, plants, algae, and some bacteria convert sunlight into chemical energy...
Added: 17 Apr 2000
Updated: 07 Nov 2025
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What type of metamorphosis do insects undergo that includes a larval stage?
Insects undergo complete metamorphosis, which includes distinct life stages: egg, larva, pupa, and adult. The larval stage is a crucial...
Added: 17 Apr 2000
Updated: 04 Nov 2025
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What element has the highest density in its liquid form?
The element that has the highest density in its liquid form is mercury (Hg). With a density of approximately 13.6...
Added: 17 Apr 2000
Updated: 23 Nov 2025
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What is the name for the natural process that helps to preserve biodiversity?
The natural process that helps to preserve biodiversity is conservation. Conservation encompasses practices aimed at protecting ecosystems, habitats, and species...
Added: 17 Apr 2000
Updated: 30 Nov 2025
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In chemistry, what is an alkali?
In chemistry, an alkali is a type of base that is soluble in water and increases the concentration of hydroxide...
Added: 17 Apr 2000
Updated: 22 Nov 2025
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What type of symmetry does a starfish exhibit?
The type of symmetry that a starfish exhibits is radial symmetry. This means that the organism's body structure is arranged...
Added: 17 Apr 2000
Updated: 27 Nov 2025
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What concept describes the measure of disorder in a system?
The concept that describes the measure of disorder in a system is called entropy. In thermodynamics, entropy quantifies the degree...
Added: 17 Apr 2000
Updated: 16 Nov 2025
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What is the term referring to the maximum population size an environment can sustain?
The term referring to the maximum population size an environment can sustain is carrying capacity. This concept is vital in...
Added: 17 Apr 2000
Updated: 21 Nov 2025
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What is the study of genetic variation in populations called?
The study of genetic variation in populations is called population genetics. This field examines how genetic composition varies among populations...
Added: 17 Apr 2000
Updated: 04 Nov 2025
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What is the term for the experiment that tests a hypothesis with controlled variables?
The term for the experiment that tests a hypothesis with controlled variables is a controlled experiment. This design allows researchers...
Added: 17 Apr 2000
Updated: 01 Nov 2025
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What phenomenon occurs when light is absorbed and then re-emitted by an electron?
The phenomenon that occurs when light is absorbed and then re-emitted by an electron is known as photoluminescence. This process...
Added: 17 Apr 2000
Updated: 19 Nov 2025
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Which organelle is responsible for synthesizing proteins?
The organelle responsible for synthesizing proteins is the ribosome. Ribosomes can be found floating freely in the cytoplasm or attached...
Added: 17 Apr 2000
Updated: 08 Nov 2025
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What type of chemical reaction involves the release of energy?
The type of chemical reaction that involves the release of energy is called an exothermic reaction. These reactions release heat...
Added: 17 Apr 2000
Updated: 03 Nov 2025
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What is the primary subject of study in the field of paleontology?
The primary subject of study in the field of paleontology is the history of life on Earth through the examination...
Added: 17 Apr 2000
Updated: 11 Nov 2025
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What process involves the uptake of liquid or solid particles by cells?
The process involving the uptake of liquid or solid particles by cells is called endocytosis. In this process, cells engulf...
Added: 17 Apr 2000
Updated: 01 Nov 2025
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What type of cells are responsible for the immune response in the body?
The type of cells responsible for the immune response in the body are lymphocytes, specifically B cells and T cells....
Added: 17 Apr 2000
Updated: 03 Nov 2025
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What type of graph is commonly used in scientific research to display data variables?
The type of graph commonly used in scientific research to display data variables is a scatter plot. Scatter plots visualize...
Added: 17 Apr 2000
Updated: 12 Nov 2025
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What is the process of formation of sedimentary rocks called?
The process of formation of sedimentary rocks is called sedimentation. This process involves the accumulation and compaction of mineral and...
Added: 17 Apr 2000
Updated: 12 Nov 2025
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