General Biology: Definitions and explanations page 2 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 2) for biology degree programs.
- What is Calorie?
Calorie is a measure of energy and does not measure weight or length. it is the ... - What is Specific heat?
Specific heat is a physical property of matter and is the energy required per mass of ... - What is Heat of vaporization?
The heat of vaporization is also called the enthalpy of evaporation and it is the energy ... - What is Solution?
A mixture of two substances that dissolve in to each other and are uniformly distributed throughout ... - What is Solvent?
The liquid part of a solution that acts as a dissolving agent and dissolves all the ... - What is Solute?
The substance that gets dissolved in the solvent. a solute is defined as the substance that ... - What is Aqueous Solution?
Any solution that has the water as a solvent is called an aqueous solution. as water ... - What is Hydration shell?
A solvation shell is the solvent interface of any chemical compound or biomolecule that constitutes the ... - What is Hydrophobic?
Any substance that repels water or is not dissolved in water. hydrophobic molecules tend to be ... - What is Molarity?
Molarity is the unit of concentration and is described as the amount of solute dissolved pe ... - What is Base?
N chemistry, bases are substances that, in aqueous solution, release hydroxide ions, are slippery to the ... - What is Acid?
A substance that donates the protons and accepts electrons. when an acid is dissolved in aqueous ... - What is PH?
A scale of acidity to specify how basic or acidic a solution is. it is usually ... - What is Buffer?
A buffer is used when the ph of a solution needs to be kept constant. its ... - What is Ocean acidification?
When oceans uptake the carbon dioxide from air, the ph of the ocean decreases. this has ... - What is Organic chemistry?
The study of compounds that have at least one carbon atom is called organic chemistry. the ... - What are Hydrocarbons?
Hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. hydrocarbons are examples of group ... - What are isomers?
Isomers of an element isomers are ions or molecules with identical formulas but distinct structures. isomers ... - What are Cis-trans isomers?
The cis isomers have the same formula but have a different spatial orientation of the functional ... - What are Enantiomers?
An enantiomer is one of two stereoisomers that are mirror images of each other that are ... - What are Functional groups?
A group of atoms that are directly responsible for participating in chemical reactions. a functional group ... - What is Polymer?
A polymer is a large macromolecule that is made of several repeating subunits. an example of ... - What are Monomers?
The smaller units of a polymer that chain together in large numbers and form a macromolecule ... - What are Enzymes?
Enzymes are proteins that have an important function in speeding up a reaction. they help by ... - What is Hydrolysis?
The term hydrolysis can be used for electrochemical as well as biological reactions. hydrolysis reaction occurs ... - What are Carbohydrates?
Carbohydrates are important building blocks of life. many of the important structures in the body are ... - What is Monosaccharide?
Simplest sugars that usually act as monomers to chain up and form larger chains of sugars ... - What is Glyosidic linkage?
The bond that joins one carbohydrate to another molecule which may or may not be a ... - What are Polysaccharides?
Polysaccharides are polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic ... - What is Starch?
Starch is a complex carbon found in several plants and is made of multiple glucose monomers ... - What is Glycogen?
Glycogen is a multibranched polymer of glucose and is not a linear molecule. it has the ... - What is Fatty acid?
Fatty acid is a carboxylic acid with a long aliphatic chain, which is either saturated or ... - What is Saturated fatty acid?
A saturated fatty acid chain is formed when no double bonds are present on the chain ... - What is Phospholipid?
This class of lipids is a major component of cell membranes of living things. these are ... - What are Steroids?
Steroids are an active biological compound that has four rings that are organized in a special ... - What is Cholesterol?
Cholesterol is an organic molecule which is found abundantly in many living organisms. it is a ... - What are Catalysts?
Generally, the rate of a chemical reaction is increased by adding a substance known as a ... - What is Peptide bond?
When the carboxyl group of one amino acid reacts with the amine group of another amino ... - What is Protein?
A protein is one of the most important biological molecules which are formed by the translation ... - What is Amino acid?
An organic molecule that is the building block of all proteins. it is an organic molecule ... - What is Denaturation?
When an external stress destroys a protein, it is said to be denatured. an external stress ... - What are Chaperonins?
Chaperonin proteins provide favorable conditions for the folding of other proteins. in their absence, the proteins ... - What is Gene?
A gene is a sequence of nucleotides in dna or rna that codes for a molecule ... - What are Nucleic acids?
Nucleic acids are small biopolymers that form the genetic material of essentially all known forms of ... - What is DNA?
Deoxyribonucleic acid is a molecule that is made up of two chains that coil around each ... - What is RNA?
Ribonucleic acid is also like the dna molecule except it has a different sugar. it is ... - What is Pyrimidine?
Pyrimidine is an aromatic heterocyclic organic compound that is composed of one ring. in nucleic acids ... - What is Purine?
Purines are heterocyclic aromatic organic compound that consist of two rings; one is a pyrimidine ring ... - What is Double helix?
The term double helix basically refers to the secondary structure formed by the wounding of two ... - What is Antiparallel?
In terms of biology, two biopolymers are antiparallel if they run parallel to each other but ... - What is Cell fractionation?
The cell fractionation process is used to separate cellular components based on their size but meanwhile ... - What is Cytosol?
The cytosol, also known as intracellular fluid (icf) or cytoplasmic matrix, or groundplasm, is a clear ... - What is Nucleoid?
Prokaryotes do not have a nucleus. instead their dna is concentrated in a region inside the ... - What is Plasma membrane?
The interior of the cell is protected from the exterior of the cell by this membrane. ... - What is Flagellum?
A flagellum is a lash-like or a thread like appendage that protrudes out from the cell ... - What is Centrosome?
A centrosome is an important organelle in the cell that has vital functions during the division ... - What is Cytoskeleton?
A cytoskeleton is an important support structure present in the cytoplasm of all cells. it can ... - What is Microvilli?
Microvilli are microscopic protrusions that extend from the cell membrane. these are distinct from flagella and ... - What is Ribosomes?
Ribosomes comprise a complex macromolecular machine and are the primary sites where the protein translation takes ... - What is Chromatin?
Chromatin is a complex of dna and histone proteins. chromatin is actually what formed the chromosomes ...