【中英字幕】06 Cell Biology: Passive Transport 细胞生物学:被动运输 1174 -- 2:59 App 【中英字幕】03 Structure of the Cell Membrane 细胞膜结构 428 -- 7:27 App 【中英字幕】07 Cell Transport and Solutions 细胞运输和溶液 852 -- 3:44 App 【中英字幕】09 The Cell Cycle 细胞周期 402 --...
Active transport mechanisms require the use of the cell’s energy, usually in the form of adenosine triphosphate (ATP). If a substance must move into the cell against its concentration gradient, that is, if the concentration of the substance inside the cell must be greater than its concentratio...
Active:An Active transport in biology refers to the process by which molecules or ions are actively transported across a cell membrane against their concentration gradient, from an area of lower concentration to an area of higher concentration. Passive:An Passive transport, also known as passive dif...
Explain the concept of devolution in biology. 1. Describe the movement of ions for each region of the nephron. 2. Which ions are leaving the tubule, and is the transport active or passive? Answer of the following question. What is active transport and what is its responsibility in the body...
Active transportmechanisms require the use of the cell’s energy, usually in the form of adenosine triphosphate (ATP). If a substance must move into the cell against its concentration gradient—that is, if the concentration of the substance inside the cell is greater than its concentration in ...
Recent studies of Cl(-)-stimulated ATPase activity and active chloride transport in the same membrane system, including liposomes, suggest a medication by the ATPase in net movement of chloride up its electrochemical gradient across plasma membranes. Further studies, especially from a molecular ...
Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported across a biological membrane towards the region that already contains a lot of such substances. Because of this, active transport uses chemical energy (e.g. ATP) to mov...
This enzyme is responsible for the coupled active transport of Na+ and K+ across animal cell membranes. ... Kyte,J. - 《Journal of Cell Biology》 被引量: 347发表: 1976年 The amino acid sequence of a fluorescein-labeled peptide from the active site of (Na,K)-ATPase in an active-...
The kinetics of active K+ transport were studied in immature red blood cells cells from high-K+ and low-K+ sheep, particularly with respect to the effects of varying intracellular K+ concentration, [K]i. Comparison was made with active transport, or pump, activity in mature high-K+ and ...
30 plants showed spermicidal activity in rats of which 16 caused instantaneous immobilization of human spermatozoa. Studies are underway on the isolation of... BN Dhawan,MP Dubey,BN Mehrotra,... - 《Indian Journal of Experimental Biology》 ...