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NeX [460]
3 years ago
10

Which process is characterized by the movement of particles from an area of a high concentration to an area of low concentration

across the plasma membrane without the use of energy
Biology
2 answers:
Iteru [2.4K]3 years ago
8 0

Answer:

Passive transport

Explanation:

Active transport uses energy, Passive transport does not.

(I couldn't figure out how to respond to the answer above, which said the answer was Osmosis. I don't think this is true as osmosis involves water, and is much more specific. Passive transport is the correct answer, at least on Edge.)

Effectus [21]3 years ago
3 0

Answer:

Osmosis

Explanation:

Passive transport does not require energy for movement in and out of a place or across a membrane e.g a cell.

Osmosis uses passive transport to move materials in and out of a cell by setting up concentration gradient through a distance.

Osmosis can be defined as the movement of molecules or particles of a solution from an area of higher concentration to that of lower concentration through a semi-permeable membrane e.g plasma membrane. As we can see, the difference in concentration is the drive for the transport between the two medium. When the concentration is the same, there won't be any movement again.

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A fat free diet is dangerous because IT CAN RESULT IN DEFICIENCY OF ESSENTIAL FATTY ACIDS. 
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The plants in this ecosystem are dark in color to absorb sunlight, covered in hair and grow in clumps. What type of ecosystem co
Rufina [12.5K]

Darker colors absorb and retain warmth than warm tones. As a result, plants in the tundra have dark-colored leaves, hairy and clumped and stems to help them absorb solar heat faster and stay warm for longer periods of time. So it could be tundra ecosystem according to the given scenario.

<h3 /><h3>What is tundra ecosystem?</h3>

Tundra ecosystems are treeless areas found in the Arctic and on mountain peaks where the climate is cold and windy and rainfall is scarce.

Much of the year, tundra lands are covered in snow, but summer brings bursts of wildflowers.

Darker colors absorb and retain warmth than warm tones. As a result, plants in the tundra have dark-colored leaves, hairy and clumped and stems to help them absorb solar heat faster and stay warm for longer periods of time.

Thus, the correct ecosystem for the given condition is tundra.

For more details regarding tundra ecosystem, visit:

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6 0
2 years ago
How is a tendon different from a ligament? A. A tendon joins a bone to a bone; a ligament joins a muscle to a bone. B. A tendon
rusak2 [61]
B is correct. A tendon will join a muscle to a bone, and a ligament joins a bone to another bone. I think of it this way, partly influenced by my biology teacher:

- The achilles tendon, at the back of your foot, clearly joins foot to calf muscle
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I hope this helps
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Which of the following are among the most common second messengers?
frosja888 [35]

Answer:

The correct answer would be calcium ion and cAMP.

Secondary messengers refers to the intracellular signaling molecules which pass the signals from the receptors located on the surface of the cell to the target molecule present within the cell.

The secondary messengers can be classified into three major class:

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Hence, from the given options, calcium ion and cAMP would make the correct choice.

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3 years ago
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