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What (who) is active uptake - definition
CELLULAR TRANSPORT MECHANISM
Cell membrane transport; Co-transport; Counter-transporter; Cotransport; Biological transport, active; Secondary active transport; Primary active transport; Active uptake; Active Transport; Protein pump; Movement in and out of cells; Secondary transport; Secondary transporter; Secondary transporters
Active transport
In cellular biology, active transport is the movement of molecules or ions across a cell membrane from a region of lower concentration to a region of higher concentration—against the concentration gradient. Active transport requires cellular energy to achieve this movement.
active transport
¦ noun Biology the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Active voice
GRAMMATICAL VOICE
Active Voice; Active tense
Active voice is a grammatical voice common in many of the world's languages. It is the unmarked voice for clauses featuring a transitive verb in nominative–accusative languages, including English and most other Indo-European languages.
Wikipedia
Active transport
In cellular biology, active transport is the movement of molecules or ions across a cell membrane from a region of lower concentration to a region of higher concentration—against the concentration gradient. Active transport requires cellular energy to achieve this movement. There are two types of active transport: primary active transport that uses adenosine triphosphate (ATP), and secondary active transport that uses an electrochemical gradient.
Some examples of active transport include:
- Phagocytosis of bacteria by macrophages
- Movement of calcium ions out of cardiac muscle cells
- Transportation of amino acids across the intestinal lining in the human gut
- Secretion of proteins such as enzymes, peptide hormones, and antibodies from various cells
- Functioning of white blood cells to defend invading diseases
