The cell membrane is a semipermeable and allows only the _____ substances to pass through

is responsible for the structural integrity of lipid layer of the cell membrane

the proteins that pass through entire thickness of
plasma membrane

_______ molecules are negatively charged and do not permit the negatively charged substances to move in and out of the cell

Some _______ molecules function as the receptors for some hormones

It is involved on the synthesis of non-protein substances such as cholesterol and steroid

skeletal muscle cells are

pass through protein channels that extend from the extracellular to the intracellular ends of the cell membrane

acetylcholine channels which is very important in transmission of nerve signals are

Co-transporter is the carrier protein that transports _____ substances at a time

the carrier protein carries two different substances in the same direction

When two molecules, say A and B are carried by the same protein both will compete for the carrier. Thus, an increase in the concentration of ‘A’ molecule will decrease the transport of molecule ‘B’ and vice versa this is called

In this type, the energy is derived from the ionic concentration differences between the two sides of a membrane

____ sodium ions moves outwards through the cell membrane and ____ potassium ions inwards

Sodium counter transport is the process by which the substances are transported across the cell membrane in exchange for sodium ions by carrier protein called

Transport of iron and cholesterol into the cells occurs by

are parameters that are monitored by the feedback system

a change in a given direction causes change in the opposite direction