If muscle cells become more active than they usually are, they will grow more mitochondria. Explain why

this happens.

What was the ratio of dominant to recessive phenotypes in the F2 generation of Mendel's experiments? A. 6:1 B. 1:1 C. 3:1 D. 2:1

Silt particles are smaller than sand particles. Which of the following statements is true? Silt has a higher terminal fall velocity than sand. Silt has a higher threshold velocity than sand. Silt is more vulnerable to wind erosion than sand.

Which part of the kidney acts as a funnel to pass the urine that is produced in several nephrons to the ureters? Medulla Cortex Renal pelvis Renal vein

The force created by the net movement of water through a cell membrane is called what

which type of protein, embedded in the plasma membrane, passively allows moclecules to move through the membrane

How many kingdoms are in the modern system of classification?

One cell that undergoes meiosis will yield how many independent cells

What type of macromolecule is the sugar fructose?

DNA uses, while RNA uses.

How does pollution affect land, air, and water?