. The sodium-potassium pump is involved in active transport that moves 3 sodium ions from the cell for every 2 potassium ions it moves into the cell. Which of these best explains why energy is needed for active transport?

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.

Tay-sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large, complex, undigested lipids. which cellular organelle must be involved in this condition?