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mote1985 [20]
2 years ago
10

A red blood cell has a diameter of about 7 micrometer. a microscope of resolving power 240nm ,can it resolve the details of the

red blood cell of size 7 micrometer​
Biology
1 answer:
Ne4ueva [31]2 years ago
7 0

Yes, it resolve the details of the red blood cell of size 7 micrometer​ because the microscope has more than 30 times magnification power.

<h3>What is magnification?</h3>

Magnification is the ability of a microscope to produce an image of an object at a scale larger (or even smaller) than its actual size so we can conclude that it resolve the details of the red blood cell of size 7 micrometer​ because the microscope has more than 30 times magnification power.

Learn more about microscope here: brainly.com/question/15744335

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A dollar weed species has become resistant to a particular weed killer. What happens to the percentage of dollar weed offspring
Nezavi [6.7K]

Answer:

A. The percentage will increase

Explanation:

If the species is becoming resistant to the weed killer, natural selection will cause future generations to become resistant as well, therefore the percentage of resistant dollar weed will increase. Also I took the test lol.

4 0
3 years ago
Please help with biology thanks
Serga [27]
The answer is D, a desert biome, 
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3 years ago
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Adjacent plant cells have narrow channels called plasmodesmata that pass through the cell walls of the connected cells and allow
Zepler [3.9K]
<h2>Functions of plasmodesmata</h2>

Explanation:

  • They allow the movement of cells to cells for cytoplasmic connection between different cells
  • Plant cells, encompassed as they are by cell dividers, don't get in touch with each other through wide stretches of plasma film the manner in which creature cells can. Be that as it may, they do have particular intersections called plasmodesmata (solitary, plasmodesma), places where a gap is punched in the phone divider to permit direct cytoplasmic trade between two cells.  
  • Plasmodesmata are fixed with plasma film that is consistent with the layers of the two cells. Each plasmodesma has a string of cytoplasm stretching out through it, containing a much more slender string of endoplasmic reticulum.
  • Particles beneath a specific size (the size rejection limit) move unreservedly through the plasmodesmal channel by latent dissemination. The size avoidance limit changes among plants, and even among cell types inside a plant. Plasmodesmata may specifically enlarge (extend) to permit the section of certain huge atoms, for example, proteins, in spite of the fact that this procedure is inadequately comprehended.

3 0
3 years ago
4. Explain why there are very few or no plants at the bottom of the ocean. Name the oceanic zone that has NO
kolbaska11 [484]

Answer:

After the aphotic zone, there's complete darkness. From 1,000 meters below the surface, all the way to the sea floor, no sunlight penetrates the darkness

Explanation:; and because photosynthesis can't take place, there are no plants, either.

4 0
2 years ago
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Simora [160]

Answer:

Groundwater

Although this may seem surprising, water beneath the ground is commonplace. Usually groundwater travels slowly and silently beneath the surface, but in some locations it bubbles to the surface at springs. The products of erosion and deposition by groundwater were described in the Erosion and Deposition chapter.

Groundwater is the largest reservoir of liquid fresh water on Earth and is found in aquifers, porous rock and sediment with water in between. Water is attracted to the soil particles and capillary action, which describes how water moves through a porous media, moves water from wet soil to dry areas.

Aquifers are found at different depths. Some are just below the surface and some are found much deeper below the land surface. A region may have more than one aquifer beneath it and even most deserts are above aquifers. The source region for an aquifer beneath a desert is likely to be far from where the aquifer is located; for example, it may be in a mountain area.

The amount of water that is available to enter groundwater in a region is influenced by the local climate, the slope of the land, the type of rock found at the surface, the vegetation cover, land use in the area, and water retention, which is the amount of water that remains in the ground. More water goes into the ground where there is a lot of rain, flat land, porous rock, exposed soil, and where water is not already filling the soil and rock.

The residence time of water in a groundwater aquifer can be from minutes to thousands of years. Groundwater is often called “fossil water” because it has remained in the ground for so long, often since the end of the ice ages.

Explanation:

4 0
2 years ago
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