1) Select one representative organ within this system. Explain its structure and describe how the structure is related to the specific function of organ. When explaining the structure, involve the details regarding the kinds of the cells within the organ as well as the kinds of tissues. 2) Explain the […]

In mice, black coat color (B) is dominant over brown (b), and a solid pattern (S) is dominant over white spotted (s). Color and spotting are controlled by genes that assort independently. A homozygous black, spotted mouse is crossed with a homozygous brown, solid mouse. All the F1 generation are […]

Peanuts have two types of growth behavior: runner, which grows low to the ground, and bunch, which grows upright and branched. A true-breeding line of runner peanuts is crossed to a true-breeding line of bunch peanuts. All of the F1 progeny grow as runners, so runner appears to be dominant. […]

Question: A red blood cell has an internal salt concentration of 150mM. The cell is placed in a beaker of 500mM salt. (a) Suppose that the cell membrane is permeable to water but not to ions, decribe what will happen to the cell in terms of osmosis. (b) If the membrane […]