Science — English

What is the primary structural component of bacterial cell walls?
The primary structural component of bacterial cell walls is peptidoglycan. This polymer consists of sugars and amino acids, providing support...
Added: 30 Mar 2000
Updated: 05 Nov 2025
ℹ️
What is found at the center of a hurricane?
At the center of a hurricane is the eye. This calm region is surrounded by the eyewall, where the storm's...
Added: 30 Mar 2000
Updated: 23 Nov 2025
ℹ️
What is the scientific term for the study of viruses?
The scientific term for the study of viruses is virology. Virology encompasses the understanding of virus structure, function, and their...
Added: 30 Mar 2000
Updated: 19 Nov 2025
ℹ️
What is a significant source of renewable energy?
A significant source of renewable energy is solar energy. Solar energy is harnessed from sunlight using technologies like photovoltaic cells...
Added: 30 Mar 2000
Updated: 04 Nov 2025
ℹ️
What is the term used for phase changes that involve large amounts of energy?
Phase changes that involve large amounts of energy are referred to as latent heat changes. These changes, such as melting,...
Added: 30 Mar 2000
Updated: 17 Nov 2025
ℹ️
What is the typical pH range of human blood?
The typical pH range of human blood is approximately 7.35 to 7.45, which is slightly alkaline. Maintaining this pH range...
Added: 30 Mar 2000
Updated: 01 Dec 2025
ℹ️
What element's atomic number is six?
The element with an atomic number of six is carbon. Carbon is a fundamental element in organic chemistry and is...
Added: 30 Mar 2000
Updated: 12 Nov 2025
ℹ️
What is the role of the nervous system in organisms?
The role of the nervous system in organisms is to process and transmit information throughout the body. It serves as...
Added: 30 Mar 2000
Updated: 29 Nov 2025
ℹ️
What is the name of the process that leads to the breakdown of nutrients?
The name of the process that leads to the breakdown of nutrients is catabolism. This metabolic pathway involves the enzymatic...
Added: 30 Mar 2000
Updated: 22 Nov 2025
ℹ️
What type of cell division produces gametes?
The type of cell division that produces gametes is called meiosis. Meiosis is a specialized form of cell division that...
Added: 30 Mar 2000
Updated: 02 Nov 2025
ℹ️
What is the relationship between mass and energy described by Einstein's equation?
The relationship between mass and energy is described by Einstein's equation, E=mc². In this formula, E represents energy, m stands...
Added: 30 Mar 2000
Updated: 18 Nov 2025
ℹ️
What is the process by which plants lose water vapor through tiny openings called?
The process by which plants lose water vapor through tiny openings is called transpiration. This process occurs primarily through stomata,...
Added: 30 Mar 2000
Updated: 06 Nov 2025
ℹ️
What term describes the amount of energy needed to change the temperature of a substance?
The term that describes the amount of energy needed to change the temperature of a substance is called heat capacity....
Added: 30 Mar 2000
Updated: 19 Nov 2025
ℹ️
What radius do atoms typically have?
Atoms typically have a radius on the order of angstroms, specifically about 0.1 nanometers or 1 × 10⁻¹⁰ meters. The...
Added: 30 Mar 2000
Updated: 03 Nov 2025
ℹ️
What is a manipulation of environmental factors to observe their effects in an experiment?
A manipulation of environmental factors to observe their effects in an experiment is known as an experiment or a controlled...
Added: 30 Mar 2000
Updated: 16 Nov 2025
ℹ️
What is the main purpose of chlorophyll in plants?
The main purpose of chlorophyll in plants is to absorb light energy for photosynthesis. Chlorophyll is a green pigment found...
Added: 30 Mar 2000
Updated: 16 Nov 2025
ℹ️
What is the study of chemical reactions and their rates called?
The study of chemical reactions and their rates is called chemical kinetics. This branch of chemistry focuses on understanding how...
Added: 30 Mar 2000
Updated: 26 Nov 2025
ℹ️
What process describes the breakdown of glucose in the presence of oxygen?
The process that describes the breakdown of glucose in the presence of oxygen is called cellular respiration. This biochemical process...
Added: 30 Mar 2000
Updated: 17 Nov 2025
ℹ️
What is an organism that causes disease called?
An organism that causes disease is called a pathogen. Pathogens can include various types of microorganisms, such as bacteria, viruses,...
Added: 30 Mar 2000
Updated: 06 Nov 2025
ℹ️
What is the most common type of bonding in organic molecules?
The most common type of bonding in organic molecules is covalent bonding. In covalent bonds, atoms share electrons to achieve...
Added: 30 Mar 2000
Updated: 06 Nov 2025
ℹ️