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Vinil7 [7]
3 years ago
13

Water transportation through a plant stem is an example of?​

Biology
1 answer:
Sati [7]3 years ago
3 0
Diffusion and osmosis to get the minerals in and the pholem uses diffusion to transport all parts of the plant body
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Explain why ions do not move through ion channels by only simple diffusion, whereas water does move through water channels by si
cluponka [151]

Answer:

Electrical gradient.

Explanation:

Ions DO NOT move in Ion channels by simple diffusion because most ion channels can be:

I) selective of ions pass through it.

II) operating on a "open and close" principle. Where it opens or close on its own accord OR does so ONLY when induced by a specific influence like change in voltage of ion channels.

IN ADDITION to the concentration gradient, ELECTRICAL GRADIENTS (change in membrane voltage) affects the movement of ions through ion channels

3 0
3 years ago
If Petal color was a complete dominant trait (A being red petals and a being white), what percent.
ELEN [110]

Answer:

75%

Explanation:

3/4ths are dominant, so 75% will be red.

5 0
2 years ago
Read 2 more answers
Soils contain small or trace amounts of many minerals, including the chemical elements phosphorus, calcium, potassium, magnesium
serg [7]

Answer:

Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.

Explanation:

As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.

As in C. These elements are not required on special occasion but are necessary throughout plant life.

As in D.  C H N O  is the primary component plants need but these secondary nutrients are equally necessary for growth n structure of plant.

<u><em>So answer A. Is the correct option.</em></u>

Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency  of calcium caused wilting , weakened stem and ultimately death of plant.

Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.

Sulfur is another very important element in plant life, it is necessary for protein synthesis in plants.

Phosphorous plays an important role in  process of cell devision , photosynthesis and respiration.

Potassium is very crucial in gaseous exchange ,it operates the opening and closing of stomata.

3 0
2 years ago
Give an example of a thing that is living and a thing that is not living.
goblinko [34]

Answer:

Living things may be distinguished from non-living things in their ability to carry on life processes such as movement, respiration, growth, responsiveness to environmental stimuli and reproduction. This view of living may be appropriate at this age but has some limitations and can lead to the alternative conceptions above. For example movement in plants is not apparent to students and consequently they may not consider plants living.

5 0
3 years ago
For virtual xxx<br>z OOm<br>872"700"3342<br>(143)​
dexar [7]

Explanation:

please don't post such irrelevant questions

8 0
3 years ago
Read 2 more answers
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