Web Results

www.reference.com/article/atp-its-role-cell-219d9f78b5a98110

Adenosine triphosphate, or ATP, is the energy currency of life, the way that individual cells store and use chemical energy. Any food or other source of energy a cell takes in is converted to ATP, in which form the mechanisms of the cell can easily use it. It does this ...

www.reference.com/article/role-companion-cells-54a9298a35e12344

Companion cells provide ATP and nutrients and carry out all of the cellular functions of a sieve-tube element in plants. The cytoplasm in sieve-tube elements lack most of the structures necessary for cellular maintenance.

www.reference.com/article/role-rna-play-cell-life-c56aa3606215370a

Scitable explains that the central role of ribonucleic acid, or RNA, is to convert instructions written in the code of the organism's DNA into proteins. However, RNA is also involved in a number of other processes, such as signaling other cells and functioning as cataly...

www.reference.com/article/two-essential-roles-enzymes-play-cells-94e00d8f31600249

Two specific roles that enzymes play in cells include being used as ion pumps during active transport, such as the ATPases, and being utilized as receptors for signal transduction, such as kinases and phosphatases. Generally, enzymes function as organic catalysts that s...

www.reference.com/article/role-cytoskeleton-play-living-cell-4450a6378b7a047f

The role of a cytoskeleton in a living cell is to supply structure to the cell, give the cell the ability to move and ensure proper cell division during cellular reproduction. The cytoskeleton contains three types of filaments within the cytoplasm, including intermediat...

www.reference.com/article/role-phagocytic-white-blood-cells-ff7ac2c0f226251f

Phagocytic cells respond to invading bacteria, regulate the inflammatory response, defend against parasites and play a role in allergic reactions. There are three different cells that work as phagocytes, including eosinophils, neutrophils and monocytes, all of which are...

www.reference.com/article/function-t-cells-56815f6baa741252

The function of T cells is to perform a variety of immune responses in the body, according to National Multiple Sclerosis Society. T cells are one of two types of white blood cells that help immune function.