Which of the following statements about organellar movement in the cell is false?
(a) Organelles undergo saltatory movement in the cell.
(b) Only the microtubule cytoskeleton is involved in organellar movement.
(c) Motor proteins involved in organellar movement use ATP hydrolysis for energy.
(d) Organelles are attached to the tail domain of motor proteins.
Choice (b) is untrue; both the actin cytoskeleton and the microtubule cytoskeleton are involved in organellar movement.
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Some restriction enzymes create blunt DNA ends, without the complementary single-stranded overhangs of sticky ends. What is the advantage of using restriction enzymes that create sticky ends vs. blunt ends for creating recombinant
DNA molecules? What will be an ideal response?
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What will be an ideal response?
Most carbon dioxide is transported in the blood in the form of bicarbonate. Indicate whether the statement is true or false