Biology
16 Words
8m
a substance that all living organisms produce that brings about a chemical reaction without being altered itself
Enzymes play a crucial role in digestion, breaking down food into smaller molecules that can be absorbed by the body.
View Full Definitiona thin sheet of tissue that separates or covers the inner parts of an organism
The cell membrane protects the interior of the cell.
View Full Definitiona group of cells in the body of living things, forming their different parts
Muscle tissue enables movement and supports the body's structure.
View Full Definition(biology) the colorless liquid part of the blood in which the blood cells are suspended
View Full Definitionany of a class of organic substances that do not dissolve in water that include many natural oils, waxes, and steroids
View Full Definitionany organic compound that creates the basic structure of proteins
View Full Definitiona junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter
Neurotransmitters released into the synapse bind to receptors on the receiving neuron, facilitating the transmission of nerve impulses.
View Full Definitionthe genetic makeup of an organism, determined by the combination of genes inherited from its parents
The genotype of an individual is responsible for the inheritance of specific traits, such as eye color and height.
View Full Definitiona type of cell division that creates reproductive cells with half the usual number of chromosomes
Meiosis ensures genetic diversity by creating haploid cells with unique combinations of chromosomes.
View Full Definitiona type of cell division that results in the formation of two daughter cells, each having the same number of chromosomes as the parent cell
Mitosis is essential for the growth and development of multicellular organisms, as it results in the production of new cells.
View Full Definitionthe secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
View Full Definitiona gland that secretes substances, such as enzymes or mucus, through ducts that lead to the external environment or a body cavity, rather than directly into the bloodstream
Salivary glands are examples of exocrine glands that secrete saliva into the oral cavity through ducts, aiding in digestion.
View Full Definitiona steroid hormone that the body produces and is used in medicine to help cure skin diseases
High levels of cortisol can increase stress and anxiety.
View Full Definitionsomething that triggers a reaction in various areas like psychology or physiology
In a lab experiment, the researchers applied a visual stimulus to study participants to observe and measure their neurological responses.
View Full Definitiona long, slender projection of a nerve cell that conducts electrical impulses away from the cell body towards other neurons or target cells
View Full Definitiona small, membrane-bound sac within a cell, involved in the transport, storage, or release of substances
Peroxisomes are vesicles containing enzymes that participate in various metabolic processes, including the breakdown of fatty acids.
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