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Questions # 1:

When new regulations were imposed on businesses selling in the same markets as Acme Inc. and the demographics began to change unfavorably for its main product: there was very little that it could have done different in the short term.

Options:

product; there was very little that it could have done different in the short term

product, there was very little they could have done different in the short term

product, so there was very little could be done differently by the firm in the short term

product, there was very little possible in the short term for them to do differently

product, there was very little that the firm could have done differently in the short term

Questions # 2:

In good times, an auction is the obvious choice for colectors wanting to sell a work of art, but A did just a few short months ago.

Options:

to, fewer collectors are putting their holdings up for auction as

to, less of them are putting their holdings up for auction than

to, collectors aren't putting their holdings up for auction, and there are fewer than

to do so, fewer of them put up their holdings for auction as they

to put their holdings up for auction, they don't, and fewer are doing so now than

Questions # 3:

Question # 3

Anouk worked In the sates department at MMC Cellular Phones from January through December. The graph shows Anouks sales volume from March through My. For each of the 4 months, February through May, Anouk's sales increased by a constant number of eel phones over the previous month.

Question # 3

Options:

Questions # 4:

The ensuing argument among the pundKs rs no likelier to end in a declared winnef than a long debate about Karl Marx's political philosophy against Ayn Rand's would be.

Options:

a long debate about Karl Marx's political philosophy against Ayn Rand's would be

would a long debate, pitting Karl Marx and Ayn Rand's political philosophy against one another

in a long debate about Karl Marx's political philosophy against Ayn Rand's

that of a long debate about the political philosophy of Karl Marx against Ayn Rand's

a long debate pitting Karl Marx's political philosophy against Ayn Rand's would be

Questions # 5:

The passage suggests that all of the following are true of the cell adhesion molecules mentioned in the highSghted text EXCEPT:

Options:

Their production is controlled by morphoregutotory genes.

Their chemical structure is varied.

They are attached to the surface of cells.

They Ink cells Into clusters.

They trigger the formation of historegulatory genes.

Answer

Explanation

What makes a rhinoceros look like a rhinoceros, or a petunia like a petunia? Understanding the basis of the generation of the forms, patterns, or shapes of complex organisms is a principal subject of biologist Gerald Edelman's stimulating book Topobiology, which explores the links among the development, evolution, form, and function of organisms.

In older scientific language, one could say that Edelman has brought a new dimension to morphology, the study of the form and shape of animate and plants, and to histology, the study of the minute structure of tissues. The major thrust of his book te what he calls a morphoregulatory hypothesis, which can be described as the outline of a molecular basis for the formation of pattern, involving three types of genes. In the morphoregulatory sequence, morphoregulatory genes control the production of molecules that cause the formation of clusters of cells. When the cell dusters begin to communicate, they activate another type (selector genes) that then select and switch on a third type of gene (historegulatory genes).

In the organisms they have studied, Edelman and his colleagues have found cell adhesion molecules (resulting from morphoregulatory gene action) that are attached to the surface of different cells and link them in clusters. These molecules can appear at different times in the development of a multicellular system, and at various specific sites on the cells. Furthermore, their chemical structure can vary. This tremendous variation allows a great flexibility in the kinds of linkages the molecules effect.

A second class of adhesion molecules plays a comparable role In attaching cells to the developing scaffolding of filaments that lie outside cells. Also of particular interest to researchers are what are called cell Junction molecules, composed of clusters of proteins providing small channels from the inside of one cell to the Inside of another. These three types of molecules facilitate a kind of conversation among eels that determines the course of development of organisms. It has been possible to demonstrate how Important these molecules are by treating tissues with agents that block their functions, thus effectively and drastically changing the organism's development.

Questions # 6:

The term "electric-drive vehicles" not only Includes cars powered bv batteries charged with household current but also vehicles generating electricity on board or storing it in devices other than batteries.

Options:

not only includes cars powered by batteries charged with household current but also vehicles generating electricity on board or storing

not only includes cars that use power from batteries charged with household current but, in addition, vehicles generating electricity on board or storing

includes not only cars powered by batteries charged with household current but also includes vehicles that generate electricity on board or storing

includes not only cars that use power from batteries charged with household current but vehicles as well that generate electricity on board or store

includes not only cars powered by batteries charged with household current but also vehicles that generate electricity on board or store

Questions # 7:

Many of the examples In the new book about the Kamuxa culture were taken—and researchers in the nineteenth century but were not available until very recently.

Options:

taken—and indeed discussed extensively in—sources that

taken from sources—and indeed discussed extensively—that

taken from—and indeed discussed extensively in—sources that

taken from—and indeed discussed extensively—in sources that

taken—and Indeed discussed extensively—from sources that

Questions # 8:

Civil disobedience fan make a political point by refusing to copy restrictive regulations, answer a summons or In not cooperating with authorities such as the police.

Options:

Civil disobedience can make a political point by refusing to obey restrictive regulations, answer a summons, or

In A political point can be made through civil disobedience by people by refusing to obey restrictive regulations, to answer a summons, or

People can make a political point through civil disobedience by refusing to obey restrictive regulations or answering a summons or by

Civil disobedience can make a political point when people refuse to obey restrictive regulations, answer a summons, or In not

People can make a political point through civil disobedience by refusing to obey restrictive regulations or answer a summons or by

Questions # 9:

Which of the following most accurately expresses the main point of the passage?

Options:

Researchers inspired by observing mirages on hot roads have applied the underlying physical principles to develop a new process to cloak objects from microwaves.

Researchers have invented a process to cloak objects from microwaves through the use of a novel engineered material that bends microwaves at extreme angles.

Both the occurrence of mirages on hot roads and the cloaking of microwaves through a newly invented process result from the bending of light at extreme angles.

Microwaves and visible light both conform to a set of physical laws that explain mirages on hot roads.

The movement of EMR around an object can be controlled by metal shapes like loops, coils, or tiny rectangles.

Questions # 10:

Because of the positive correlation across animal species between body size and home range size, researchers suspected that body size of female mallards (a species of duck) may influence their home range size. The researchers also reasoned that younger females may be forced into less suitable habitats by older females competing with them for optimal areas, with the younger females compensating by having larger home ranges. However, their research supported neither suspicion. The failure to detect variation of range size according to body size may be due to other, undetermined mallard attributes (for example, body condition) that may have been a significant factor affecting home range size. The fact that most yearling females can breed may help to explain why the expected age effect was not confirmed, since home range size may be affected by breeding capability.

The researchers did find, however, that home range size of females was Inversely related to the percentage of the study area composed of seasonal or semipermanent wetlands. This may have been because of reduced competition for breeding space within the species when more of the wetlands were present. They also found home range size to decrease somewhat as the percentage of wood-shrub habitat increased, suggesting that reduction in visual contact among mallard pairs may reduce interaction and thus reduce competition among breeding pairs.

The author's purpose in making the statement that most yearling female mallards are able to breed is most likely in order to

Options:

explain the lack of corroboration from the study for the prediction that younger females may have larger home ranges than older females

help confirm that home range size is affected by breeding ability

support the point that younger females do not tend to have larger home ranges than older females

explain a finding that younger females tend to have smaller home ranges than older females

help explain why yearling female mallards apparently have home ranges of the same size as those of older female mallards

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