18 results found

Search Results for: string

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Nucleosome

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

Prophase I

Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More

Sucker

sucker 1. One who, or that which, sucks; especially, one of the organs by which certain animals, as the octopus and remora,... Read More

Nematocyst

All organisms are composed of millions of cells. Many cells serve specific purposes and are specialized to do distinct... Read More

Bead

Bead 1. A prayer. 2. A little perforated ball, to be strung on a thread, and worn for ornament; or used in a rosary for... Read More

Suckers

sucker 1. One who, or that which, sucks; especially, one of the organs by which certain animals, as the octopus and remora,... Read More

Loop

Loop 1. A fold or doubling of a thread, cord, rope, etc, through which another thread, cord, etc, can be passed, or which a... Read More

Protein Synthesis

If you have jumped straight to this page, you may wish to look at the previous tutorial about DNA, which gives background... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Linker DNA

Definition noun, plural: linker DNAs DNA linking adjacent nucleosome core particles Supplement A linker DNAs is a stretch of... Read More

Chordata

Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Vibration

vibration 1. The act of vibrating, or the state of being vibrated, or in vibratory motion; quick motion to and fro;... Read More

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

Cytokinesis

The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More

Bean

Bean 1. (Science: botany) a name given to the seed of certain leguminous herbs, chiefly of the genera Faba, phaseolus, and... Read More

Nerve

nerve 1. (Science: anatomy) One of the whitish and elastic bundles of fibres, with the accompanying tissues, which transmit... Read More

Gene Regulation in Eukaryotes

Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More