Characean algae
(Science: organism) class of filamentous green algae exemplified by the genus chara, in which the mitotic spindle is not surrounded by a nuclear envelope. Probably the closest relatives, among the algae, to higher plants. The giant internodal cells (up to 5cm long) exhibit dramatic cyclosis and have been much used for studies on ion transport and cytoplasmic streaming.
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..