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geniusboy [140]
3 years ago
15

Is simple diffusion a form of passive transport

Biology
1 answer:
Viktor [21]3 years ago
3 0

Passive Transport: Simple Diffusion. Diffusion across a cell membrane is a type of passive transport, or transport across the cell membrane that does not require energy. ... Molecules that are hydrophobic, just like the hydrophobic region, can pass through the cell membrane by simple diffusion.

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Which of the following is an accurate description of an adult stem cell?
frosja888 [35]
I believe the answer is C). My reason for this is because multipotency stands for multidifferentiative potential. And this is the ability to generate progeny of quite a few distinct cell types. And adult stem cells have that ability. Hope this helps.
4 0
3 years ago
Energy is released to be used by a cell when a phosphate group is ?
Gekata [30.6K]

Energy is released to be used by a cell when a phosphate group is <u><em>Removed from ATP to form ADP.</em></u>

Answer: <em>C. Removed from ATP to form ADP </em>

Explanation:

Three important energy carrier molecules in a cell are: ATP (Adenosine triphosphate, NADPH (Nicotinamide Adenosine Dinucleotide Phosphate) and FADH2. All the three carrier molecules play an important role in cellular respiration and photosynthesis.

One NADH molecule is equal to 3 ATP molecule while 1 FADH2 molecule is equal to 2 ATP molecule. During the active process, ATP is used as a form of energy because ATP dephosphorylates to ADP and Inorganic phosphate, Pi and release energy.

5 0
4 years ago
A few years after a devastating forest fire, pioneer trees become established. after another 50 years, those trees are replaced
Keith_Richards [23]
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In order to establish secondary succession there is need of water and light, because water help in translocation of food and nutrients in plants while light is important for photosynthesis.

Photosynthesis need three major components. these are H₂O, CO₂ and light, all these components are abiotic part of ecosystem. However, when secondary succession occurs, then light play a key role in changing the composition of plant community. The best example is the difference in height of plants of different community.
4 0
3 years ago
A student uses a string to model four pairs of homologous chromosomes in a parent cells. Each Chromosome pair is a different col
Arlecino [84]
<h2>Answer is option "C"</h2>

Explanation:

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  • Hence, the right answer is option C "four strings, each a combination of different colors"

5 0
3 years ago
Modern cell theory is best described as being based on
faltersainse [42]
Cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

(Hope this helps!!)
4 0
3 years ago
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