Science — English

Which type of cells are responsible for carrying oxygen in the bloodstream?
Red blood cells (RBCs) are primarily responsible for carrying oxygen in the bloodstream. These cells contain the protein hemoglobin, which...
Added: 22 Mar 2000
Updated: 05 Nov 2025
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What phenomenon is responsible for the change in seasons?
The phenomenon responsible for the change in seasons is the tilt of the Earth's axis as it orbits the sun....
Added: 22 Mar 2000
Updated: 17 Nov 2025
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What chemical reaction occurs during respiration?
The chemical reaction that occurs during respiration is called oxidative phosphorylation. In cellular respiration, glucose and oxygen react to produce...
Added: 22 Mar 2000
Updated: 03 Nov 2025
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What is the scientific term for the study of the development of embryos?
The scientific term for the study of the development of embryos is embryology. This discipline investigates the formation, growth, and...
Added: 22 Mar 2000
Updated: 14 Nov 2025
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What type of symmetry do jellyfish exhibit?
The type of symmetry that jellyfish exhibit is radial symmetry. This means their body structure is organized around a central...
Added: 22 Mar 2000
Updated: 10 Nov 2025
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What structure in plant cells is responsible for cell rigidity?
The structure in plant cells responsible for cell rigidity is the cell wall. Composed primarily of cellulose, the cell wall...
Added: 22 Mar 2000
Updated: 21 Nov 2025
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What protein is responsible for the transport of oxygen in muscle tissue?
The protein responsible for the transport of oxygen in muscle tissue is myoglobin. Myoglobin binds to oxygen, facilitating its storage...
Added: 22 Mar 2000
Updated: 09 Nov 2025
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What energy transfer process occurs through electromagnetic waves?
The energy transfer process that occurs through electromagnetic waves is called radiation. This form of energy transfer does not require...
Added: 22 Mar 2000
Updated: 04 Nov 2025
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Which instrument is used to analyze the spectrum of light?
The instrument used to analyze the spectrum of light is a spectrum analyzer or a spectrometer. These devices measure the...
Added: 22 Mar 2000
Updated: 03 Nov 2025
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What is the term for a protein that accelerates chemical reactions?
The term for a protein that accelerates chemical reactions is enzyme. Enzymes are biological catalysts that lower activation energy, speeding...
Added: 22 Mar 2000
Updated: 16 Nov 2025
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What part of the cell is responsible for regulating the movement of substances in and out?
The part of the cell responsible for regulating the movement of substances in and out is the cell membrane. The...
Added: 22 Mar 2000
Updated: 20 Nov 2025
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Which element is essential for combustion?
The element essential for combustion is oxygen. During combustion, oxygen reacts with fuels, releasing energy in the form of heat...
Added: 22 Mar 2000
Updated: 12 Nov 2025
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What is the basic building block of all proteins?
The basic building block of all proteins is the amino acid. Amino acids are organic molecules that combine in various...
Added: 22 Mar 2000
Updated: 23 Nov 2025
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What is the scientific term for the study of human evolution and anthropological genetics?
The scientific term for the study of human evolution and anthropological genetics is physical anthropology. This discipline examines the biological...
Added: 22 Mar 2000
Updated: 19 Nov 2025
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What type of animal is characterized by feathers and laying hard-shelled eggs?
The type of animal characterized by feathers and laying hard-shelled eggs is known as a bird. Birds belong to the...
Added: 22 Mar 2000
Updated: 03 Nov 2025
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What is the 'Big Bang' theory about?
The 'Big Bang' theory explains the origin of the universe, proposing that it began as a singularity approximately 13.8 billion...
Added: 22 Mar 2000
Updated: 16 Nov 2025
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What is the term for the variety of life in a particular ecosystem?
The term for the variety of life in a particular ecosystem is biodiversity. Biodiversity encompasses all living organisms, including species...
Added: 22 Mar 2000
Updated: 21 Nov 2025
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What is the term for the measure of how much space an object occupies?
The term for the measure of how much space an object occupies is volume. Volume quantifies the three-dimensional space that...
Added: 22 Mar 2000
Updated: 16 Nov 2025
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Which process transforms a liquid into a solid?
The process that transforms a liquid into a solid is known as freezing. During this phase change, the temperature of...
Added: 22 Mar 2000
Updated: 11 Nov 2025
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What is the term for a solution that can no longer dissolve additional solute?
A solution that can no longer dissolve additional solute is classified as super saturated. When a solution reaches its maximum...
Added: 22 Mar 2000
Updated: 09 Nov 2025
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