Biology Dictionary - Explanations and Examples of Biological …
2016年12月18日 — Biology Dictionary provides definition, examples and quiz for common biology terms, including molecular biology, cell biology, genetics, ecology and more!
Chromosome - Definition, Function & Structure - Biology Dictionary
2019年10月4日 — Chromosome Definition. A chromosome is a string of DNA wrapped around associated proteins that give the connected nucleic acid bases a structure. During interphase …
Definition, Functions, Types and Examples - Biology Dictionary
2017年4月27日 — Cell Definition. Cells are the basic unit of life. In the modern world, they are the smallest known world that performs all of life’s functions. All living organisms are either single …
Physiology - Definition, Major and History - Biology Dictionary
2017年5月15日 — Physiology Definition. Physiology is the study of all the physical and chemical processes that take place in organisms in order for them to perform all the functions and …
Definition, Types, Examples and Quiz - Biology Dictionary
2017年4月28日 — In biology, mutations refer to changes in chromosomes and genes, which typically manifest physically. The effect of a mutation can depend on the region in which the …
Tissue - Definition and Types of Tissues | Biology Dictionary
2017年4月28日 — Tissue Definition. Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old …
Diffusion - Definition, Examples and Types | Biology Dictionary
2019年10月4日 — Diffusion Definition Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. The …
DNA - Definition, Function, Structure and Discovery | Biology …
2019年4月8日 — DNA Definition. Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information in many organisms. DNA is necessary for the production of …
Virus - Definition, Structure, Classification, Examples | Biology ...
2018年8月25日 — Virus Definition. A virus is a chain of nucleic acids (DNA or RNA) which lives in a host cell, uses parts of the cellular machinery to reproduce, and releases the replicated nucleic …
Definition, Types, Function and Examples - Biology Dictionary
2016年12月17日 — Denature Definition Denaturing a biological molecule refers to the loss of its three-dimensional (3-D) structure. Since molecules like proteins and DNA depend on their …