General Biology: Definitions and explanations page 17 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 17) for biology degree programs.
- What is Thyroid gland?
The thyroid gland is an endocrine gland located in neck, consists of two lobes. it is ... - What is Tidal volume?
Tidal volume is the lung volume representing the normal volume of air displaced between normal inhalation ... - What are Tight junctions?
Tight junctions basically have the function of binding adjacent epithelial cells in a narrow band just ... - What are Tissue specific proteins?
Tissue-specific gene expression can result in the presence or absence of certain protein interactions and complexes, ... - What is Tissue?
An individual organization of cells that is between the cellular and organ level. a tissue is ... - What are Tissues?
A tissue is a cellular organizational level between cells and a complete organ. a tissue is ... - What is Topoisomerase?
Many important enzymes participate in dna replication including topoisomerases. these are the enzymes that participate in ... - What is Topsoil?
Topsoil is the upper, outermost layer of soil, usually the top 5to 10 inches. it has ... - What is Torpor?
Torpor is a state of decreased physiological activity in an animal, usually by a reduced body ... - What are Totipotent cells?
Cell potency is a cell's ability to differentiate into other cell types. the more cell types ... - What are Trace elements?
A trace element is present in an organism in a very minute quantity however its presence ... - What is Trachea?
The trachea is also called the windpipe. it is a cartilaginous tube that connects the pharynx ... - What is Tracheal system?
The trachea which is also called the windpipe, is a cartilaginous tube that connects the pharynx ... - What is Tracheid?
Tracheids are elongated cells in the xylem of vascular plants that serve in the transport of ... - What is Trait?
Every variant for a character is called a trait. for example for skin color, which is ... - What is Transcription factor?
A transcription factor is a protein that controls the rate of transcription of genetic information from ... - What is Transcription initiation complex?
Transcription factors can bind to specific dna sequences called enhancer and promoter sequences in order to ... - What is Transcription unit?
Sequence of nucleotides in dna that codes for a single rna molecule, along with the sequences ... - What is Transcription?
Transcription is the first step in gene expression and involves transcribing a gene's dna sequence to ... - What is Transduction?
Transduction is the process by which foreign dna is introduced into a cell by a virus ... - What is Transformation?
Transformation is the genetic change of a cell resulting from the direct uptake and incorporation of ... - What is Transgenic animal?
Transgenic animals are animals that have had a foreign gene deliberately inserted into their genome. such ... - What is Transgenic?
The term transgene describes a segment of dna containing a gene sequence that has been isolated ... - What is Translation?
Translation is the process in which ribosomes in the cytoplasm or er synthesize proteins after the ... - What is Translocation?
Chromosome translocation basically is a phenomenon that results in unusual rearrangement of chromosomes or an arrangement ... - What is Transmembrane route?
The transmembrane route is a route where water and solutes use a combination of the apoplastic ... - What is Transpiration?
Transpiration is the process in which plants release the water which is present inside the plant, ... - What are Transport vesicles?
These vesicles are actually is a large structure within a cell that are enclosed by a ... - What are Transposable elements?
Transposable elements are also known as "jumping genes" or transposons, are sequences of dna that move ... - What is Triple response?
Ethylene is a phytohormone which is produced in the plant under the conditions of mechanical stress. ... - What is Triplet code?
The standard version of the genetic code, in which a sequence of three nucleotides on a ... - What is Trisomy?
Trisomy is another important example of aneuploidy when the chromosomes fail to separate during meiosis. trisomy ... - What is tRNA?
Transfer ribonucleic acid (trna) is a type of rna molecule that helps decode a messenger rna ... - What is Tropism?
A tropism is a phenomenon that indicates growth or turning movement of a biological organism, which ... - What is True breeding?
A true breeding is a kind of breeding wherein the parents would produce offspring that would ... - What are Tumor suppressor genes?
A tumor suppressor gene, which is also called an antioncogene, is a gene that protects a ... - What is Turgid?
When plants are kept in a hypotonic environment, the water content inside the cells will be ... - What is Turgor pressure?
Turgor pressure is the force within the cell that pushes the plasma membrane against the cell ... - What is Turner syndrome?
A monosomic disorder in which the female receives only one copy of the x chromosome. turner ... - What is Type I diabetes?
Type 1 diabetes, which usually appears during childhood, destroys the person's ability to produce insulin. treatment ... - What is Type II diabetes?
Type 2 diabetes (t2d), also known as adult-onset diabetes, is a form of diabetes that is ... - What is Undernutrition?
Undernutrition denotes insufficient intake of energy and nutrients to meet an individual's needs to maintain good ... - What is Ureter?
In human anatomy, the ureters are tubes made of smooth muscle fibers that expel urine from ... - What is Urinary bladder?
The urinary bladder is a organ that is hollow and muscular in humans and some other ... - What is Uterus?
The uterus is a main female hormone-responsive secondary sex organ of the reproductive system and is ... - What is Vaccine?
According to who, a vaccine is a biological preparation that improves immunity to a particular disease. ... - What is Vacuole?
Vacuoles are closed sacs and are made of membranes. vacuoles have several kind of organic and ... - What is Van der waals force?
Weak forces that are responsible for bond formation only when the atoms are in close proximity, ... - What is Variables?
Any factors that can vary in an experiment for example to check the effect of sunlight ... - What is Vascular cambium?
The vascular cambium is a plant tissue located between the xylem and the phloem in the ... - What are Vascular rays?
Vascular rays are a radiate band of parenchyma in the secondary xylem extending into the secondary ... - What is Vascular tissue?
Vascular tissue is a complex conducting tissue, formed of more than one cell type, found in ... - What is Vasoconstriction?
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of ... - What is Vasodilation?
Vasodilation is the widening of blood vessels and it typically is a result of relaxation of ... - What is Vegetative reproduction?
Vegetative reproduction is also known as vegetative propagation, vegetative multiplication or vegetative cloning. it is any ... - What are Veins?
A vein is a vascular structure which comprises of xylem and phloem cells surrounded by the ... - What is Ventilation?
Breathing is the process of moving air into and out of the lungs to help in ... - What is Ventricles?
A ventricle is one of two large chambers toward the bottom of the heart that collect ... - What is Vernalisation?
Vernalization is the induction of a plant's flowering process by exposure to the prolonged cold of ... - What are Vertebrates?
Vertebrates comprise all species of animals within the subphylum vertebrata, that are chordates with backbones. vertebrates ...