31) How did U. S. participation in World War I contribute to its emergence as a world power in the early 20th century?

Select all the correct answers.

A) The U. S. enjoyed a period of economic prosperity after the war.
B) The U. S. mobilized a large army and navy to help the Allies achieve victory.
C) The U. S. weakened the Allied countries by making France, England and Russia reduce the size of their
armies.
D) The U. S. mobilized a large army and navy to help the Allies achieve victory.

You have a solution that contains phospholipid vesicles in a test tube. these vesicles have phospholipid bilayers, but do not contain any membrane transporters. you add a number of different molecules to the solution, and wait a period of time for them to equilibrate. if you could measure the concentration of each molecule, for which of the following would you expect to measure equal concentrations inside and outside of the vesicles? assume for this question that the overall osmolarity inside and outside the vesicles is the same (that is, there is no appreciable diffusion of water across the membrane). (select two answers) an amino acid with a hydrophobic side-chain a small non-polar molecule a negatively charged ion a small polar molecule a small lipid hormone

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The first amino acid of a new polypeptide chain is