16 results found

Search Results for: downstream

Downstream

Downstream 1. (Science: molecular biology) portions of dna or rna that are more remote from the initiation sites and that... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

Lotic Communities & Animals

A running water environment offers numerous microhabitats that simulate favorable conditions for many types of animals to... Read More

Rheotaxis

Definition noun A form of taxis characterized by the directional movement of an organism in response to a current of water... Read More

Nucleosome

Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Mature mRNA

Mature mRNA Definition Mature mRNA is the completely processed mRNA molecule in the cell of eukaryotes. The mRNA is a type... Read More

Abiotic Factors – Water Conditions

Evidently, the light and heat from the sun play an important role in providing suitable conditions. However, the water... Read More

Macrophytes

Introduction    Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More

Pribnow box

Pribnow box --> promoter (Science: molecular biology) A region of dNA to which rNA polymerase binds before initiating the... Read More

Postsynaptic cell

postsynaptic cell In a chemical synapse, the cell that receives a signal (binds neurotransmitter) from the presynaptic cell... Read More

Microsatellite

Definition noun, plural: microsatellites (molecular biology) A tandem repeat ranging in length from 1 to 6 base pairs,... Read More

Long-terminal repeats

Long-terminal repeat (Science: molecular biology) identical dna sequences, several hundred nucleotides long, found at either... Read More

Spermatid

Spermatid Definition What are spermatids? Let us define spermatid and understand its role in reproduction. A spermatid... Read More

Transcription (biology)

In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... Read More

Running Water Freshwater Communities

Running water freshwater communities are also known as lotic communities, lotic meaning running water. Lotic communities are... Read More