occur against

No, passive transport cannot occur against the concentration gradient. It only moves substances from an area of high concentration to an area of low concentration..Bulk transport, ...www.answers.comTIME.rfTime = +new Dat

No, passive transport cannot occur against the concentration gradient. It only moves substances from an area of high concentration to an area of low concentration..Active transport...www.answers.com

Impulsive expenses often occur against the backgroundlack of internal stability. When a person has no clear goals, values ​​and sensations of satisfaction wit...