Science — English

What is the difference between somatic and germ cells?
Somatic cells are diploid cells that make up most of the body's tissues and organs, while germ cells are haploid...
Added: 21 Feb 2000
Updated: 17 Nov 2025
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What is a chromatid?
A chromatid is one half of a duplicated chromosome that is joined to its sister chromatid at the centromere. During...
Added: 21 Feb 2000
Updated: 01 Dec 2025
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What is the primary purpose of conducting control experiments?
The primary purpose of conducting control experiments is to establish a baseline for comparison and determine the effects of one...
Added: 21 Feb 2000
Updated: 02 Nov 2025
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What is the scientific study of the structure, properties, and reactions of matter?
The scientific study of the structure, properties, and reactions of matter is known as chemistry. This field encompasses various sub-disciplines,...
Added: 21 Feb 2000
Updated: 20 Nov 2025
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What type of light does chlorophyll primarily absorb?
Chlorophyll primarily absorbs light in the blue and red wavelengths of the electromagnetic spectrum. This pigment, found in the chloroplasts...
Added: 21 Feb 2000
Updated: 03 Nov 2025
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What is a greenhouse gas?
A greenhouse gas is a gas that can trap heat in the atmosphere, contributing to the greenhouse effect and global...
Added: 21 Feb 2000
Updated: 15 Nov 2025
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In molecular biology, what is transcription?
In molecular biology, transcription is the process by which genetic information from DNA is transferred to messenger RNA (mRNA). During...
Added: 21 Feb 2000
Updated: 27 Nov 2025
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What is biochemistry primarily concerned with?
Biochemistry is primarily concerned with the chemical processes and substances that occur within living organisms. This discipline combines principles from...
Added: 21 Feb 2000
Updated: 11 Nov 2025
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Which structure is responsible for maintaining homeostasis in cells?
The structure responsible for maintaining homeostasis in cells is the plasma membrane. It regulates the internal environment of the cell...
Added: 21 Feb 2000
Updated: 20 Nov 2025
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What force opposes motion between two surfaces in contact?
The force that opposes motion between two surfaces in contact is known as friction. Friction acts in the direction opposite...
Added: 21 Feb 2000
Updated: 05 Nov 2025
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What type of cell division produces two identical daughter cells?
The type of cell division that produces two identical daugher cells is called mitosis. Mitosis is essential for growth, tissue...
Added: 21 Feb 2000
Updated: 10 Nov 2025
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What is the principle behind the conservation of energy?
The principle behind the conservation of energy states that energy cannot be created or destroyed, only transformed from one form...
Added: 21 Feb 2000
Updated: 09 Nov 2025
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What is the study of the interactions between organisms and their environment called?
The study of interactions between organisms and their environment is called ecology. This branch of biology examines how species interact...
Added: 21 Feb 2000
Updated: 24 Nov 2025
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What effect does increased carbon dioxide have on ocean acidity?
Increased carbon dioxide in the atmosphere leads to higher ocean acidity. This process, known as ocean acidification, occurs because CO2...
Added: 21 Feb 2000
Updated: 24 Nov 2025
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What is photosynthesis primarily responsible for?
Photosynthesis is primarily responsible for converting light energy into chemical energy, specifically in the form of glucose. This process occurs...
Added: 21 Feb 2000
Updated: 15 Nov 2025
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What is natural selection?
Natural selection is a fundamental mechanism of evolution. It explains how organisms better adapted to their environment tend to survive...
Added: 21 Feb 2000
Updated: 16 Nov 2025
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What is the main difference between mitosis and meiosis?
The main difference between mitosis and meiosis lies in their outcomes and purposes. Mitosis results in two identical daughters cells...
Added: 21 Feb 2000
Updated: 04 Nov 2025
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What is the role of the plasma membrane?
The role of the plasma membrane is to serve as a barrier that protects the cell, regulating the movement of...
Added: 21 Feb 2000
Updated: 09 Nov 2025
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Which biological macromolecule is composed of amino acids?
The biological macromolecule composed of amino acids is known as a protein. Proteins are essential for numerous cellular functions, including...
Added: 21 Feb 2000
Updated: 01 Dec 2025
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What is the function of the nucleolus in a cell?
The nucleolus functions primarily to synthesize ribosomal RNA (rRNA) and assemble ribosome subunits. Located within the nucleus, this structure plays...
Added: 21 Feb 2000
Updated: 15 Nov 2025
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