In mass flow,various substances move independently according to their

$A-$ In an antiport,both molecules move in opposite directions.
$R -$ In symport,only one molecule crosses the membrane in the same direction.

Identify the type of transport shown in the given image.

When a molecule moves across a membrane independently of other molecules,the process is called ...........

In which method of transport,does the plasma membrane not require a carrier molecule?

Which of the following is true for both active transport and facilitated diffusion?