Because water is a polar molecule, it makes an excellent solvent for atoms and compounds found within cells and tissue. water, acting as a solvent in an organism, aids in all of the following except
a. eliminating waste
b. maintaining turgid pressure
c. constructing cell membranes
d. supplying oxygen and nutrients to cells

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?