Which of the following does not require carrier molecules during transport through cell membranes

Carrier molecules facilitating transport across cell membrane are

Carrier molecules facilitating transport across cell membrane are

Which of the following features is not true for facilitated transport across the cell membrane ?

Plasma membrane does not have carrier molecules for

Which of the following processes require a carrier protein but does not involve expense of cellular energy : (a) Diffusion (b) Osmosis (c) Active transport (d) Facilitated transport

Since DNA is a hydrophilic molecules, it cannot pass through cell membranes. Why ?

Since DNA is a hydrophilic molecules, it cannot pass through cell membranes. Why ?