active transport

mcqspedia.com has 5 Question/Answers about Topic active transport

An energy does not require

An energy does not require
  • A. facilitated diffusion
  • B. osmosis
  • C. Active transport
  • D. All of above
  • Correct Answer: Option A

Each Adenosine Triphosphate (ATP) molecule is used for ,

Each Adenosine Triphosphate (ATP) molecule is used for ,
  • A. two sodium ions are pumped out of cell
  • B. three sodium ions are pumped out of cell
  • C. two sodium ions are pumped into cell
  • D. three sodium ions are pumped into cell
  • Correct Answer: Option B

Exchange of nutrients and waste is performed through

Exchange of nutrients and waste is performed through
  • A. Cell wall
  • B. cell surface membranes
  • C. Both A and B
  • D. None of above
  • Correct Answer: Option C

For each Adenosine Triphosphate (ATP) molecule is used,

For each Adenosine Triphosphate (ATP) molecule is used,
  • A. two potassium ions are pumped out of cell
  • B. three potassium ions are pumped out of cell
  • C. two potassium ions are pumped into cell
  • D. three potassium ions are pumped into cell
  • Correct Answer: Option C

Concentration gradient is said to exist when the

Concentration gradient is said to exist when the
  • A. concentration of ions is more inside cell and less outside cell
  • B. concentration of ions is lesser inside cell and more outside cell
  • C. hypertonic solution enters cells
  • D. water enters by osmosis
  • Correct Answer: Option A