Cells at the Top of a Tree Have a Higher

question 112

Multiple Choice

Cells at the top of a tree have a higher concentration of sugars than cells at the bottom.How might this fact assist a tree in moving water upward from its roots?

• A)Cells with high concentrations of sugar are more dense.As these cells migrate downwards,cells containing fresh water are able to migrate upwards.
• B)Water is pushed upwards by osmostic pressure.
• C)It doesn't.In fact,water makes it to the top of a tree because that is where the water molecules are being evaporated.
• D)Fresh water is drawn upwards to the sugar containing cells by way of dipole-dipole molecular interactions.

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Definitions:

Monthly Budget

A financial plan that allocates expected income towards expenses, savings, and debt repayment on a monthly basis.

Net Income

The amount of income that remains after deducting all expenses, taxes, and costs from gross income.

Savings Account

An account in which the bank pays interest for the use of the money deposited in the account.

Surface Book

A series of high-performance laptop computers designed and manufactured by Microsoft, featuring detachable screens for tablet use.