Browse Reference Articles
491 to 500 of 960 articles
-
Mammalian embryogenesis
Mammalian embryogenesis is the process of cell division and cellular differentiation which leads to the development of a mammalian embryo. A mammal develops from a single cell called a zygote, which ... > more -
Chloroplast
Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce ... > more -
House dust mite
The house dust mite is a cosmopolitan guest in human habitation. Mites belong to the order same as spiders, and have existed for longer than insects. Dust mites flourish in the controlled environment ... > more -
Epstein-Barr virus
The Epstein-Barr virus (EBV), also called Human herpesvirus 4 (HHV-4), is a virus of the herpes family (which includes Herpes simplex virus and Cytomegalovirus), and is one of the most common viruses ... > more -
Prokaryote
Prokaryotes are organisms without a cell nucleus, or indeed any other membrane-bound organelles, in most cases unicellular (in rare cases, multicellular). This set of characteristics is distinct from ... > more -
Cell (biology)
The cell is the structural and functional unit of all living organisms, and is sometimes called the "building block of life." Some organisms, such as bacteria, are unicellular, consisting of a single ... > more -
Bowhead Whale
The Bowhead Whale, also known as Greenland Right Whale or Arctic Whale, is a marine mammal of the order Cetacea. Bowhead Whales are the only baleen whales that spend their entire lives in and around ... > more
Search ScienceDaily
Number of stories in archives: 138,521

