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Makovka662 [10]
1 year ago
14

How are molecules transported across cell membrane against the concentration gradient?.

Biology
1 answer:
Masja [62]1 year ago
8 0

Answer: "To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells."

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Which best describes plant classification?
mario62 [17]
If the question goes like this: Which best describes plant classification? <span><span>
A.      </span>Nonvascular plants are grouped into seedless and seeded plants. </span> <span><span>
B.      </span> Seedless plants are grouped into gymnosperms and angiosperms.</span> <span><span>
C.      </span>Gymnosperms are grouped into monocots and dicots. </span> <span><span>
D.      </span> Angiosperms are grouped into monocots and dicots.</span>   <span>

The best answer will be letter D. Angiosperms are grouped into monocots and dicots.</span>     Botanists grouped or classified together according to its characteristics.

see attached file for more information about classification of plants.


Download docx
6 0
3 years ago
According to MyPlate, an adult age 18 or older should consume how many cups of milk or milk equivalents per day on a 2,000-calor
kondaur [170]

Answer:

3

Explanation:

Daily Recomendation

Children

2-3 years old ---2 cups

4-8 years old ---2½ cups

Girls

9-13 years old ---3 cups

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Boys

9-13 years old ---3 cups

14-18 years old ---3 cups

Women

19-30 years ---3 cups

31-50 years old ---3 cups

51+ years old ---3 cups

Men

19-30 years old ---3 cups

31-50 years old ---3 cups

51+ old years old ---3 cups

Cup Equivalents for Milk and Milk Products:

1 cup of milk, yogurt, or soymilk— gives 1 cup equivalent

1.5 ounces of natural cheese— gives 1 cup equivalent

2 ounces of processed cheese— gives 1 cup equivalent

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