Distinguish between these statements, explaining what is correct or incorrect about each, and what requires clarification. Relate your answers to the energy hill concept from the previous chapter.
A. Passive transport requires energy.
B. Active transport requires energy.
C. Vesicular transport requires energy.
All forms of transport require energy, because something is being moved.
A. Passive transport uses the thermal energy present in the living cell to move molecules in the energetically
favorable downhill direction (with concentration gradients).
B. Active transport uses the energy transferred by the ATP molecule, to move molecules in the energetically
unfavorable uphill direction (against concentration gradients).
C. Vesicular transport uses the energy of the ATP molecule also, to move large molecules or large quantities of
molecules.
You might also like to view...
When released in large quantities, thyroxine, a thyroid gland hormone, causes a sustained increase in heart rate
Indicate whether the statement is true or false
The parts of an atom that carry single negative electrical charges are called
________. Fill in the blank(s) with correct word
The Bowman's capsule contains the _____.?
A) ?loop of Henle B) ?collecting tubules C) ?glomerulus D) ?afferent arteriole
Which structures provide most of the stability for the shoulder joint?
A) deltoid bursa, biceps brachii muscle, and associated tendons and ligaments B) acetabular labrum, transverse acetabular ligament, and the ligamentum teres C) subdeltoid bursa, articular capsule, and the glenoid articular cartilage D) medial and lateral menisci, acromioclavicular joint, and associated tendons and ligaments E) glenoid labrum, rotator cuff muscles, and associated tendons and ligaments