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Leona [35]
3 years ago
11

1. An advantage of light microscopes compared to electron microscopes is that light microscopes . . A)allow you to view living c

ells, while electron microscopes do not.. . B)allow you to view the surface of cells in greater detail than electron microscopes.. . C)have a higher magnification capability because they use natural light.. . D)have a greater resolution available because they use white light.. . .
Biology
2 answers:
Helen [10]3 years ago
5 0
The correct option is A.
Light microscope can be used to view living cells while electron microscope can not be used to view living cells; it can only be used to view dead specimens.
Electron microscope can not be used to view live specimens because, the preparation process used to prepare specimens for viewing under this microscope will kill the specimen.
Flura [38]3 years ago
5 0

Answer: A

Explanation:

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View the slides on the PowerPoint to match each of the cell structures with the correct letter labels for each of the following
loris [4]

Answer:

10. View the slides on the PowerPoint to match each of the cell structures with the correct letter labels for

each of the following cells.

Elodea Cell Cell wall _B____ Chloroplast _A___ Area of vacuole _C__ Onion Cell Cell wall _B__ Nucleus __A_ Mitochondria _C__ Cheek Epithelial Cell Cell membrane _B__ Nucleus __A_ BacteriA Bacterial Cells. View the bacterial cells on the PowerPoint and identify which cell (A, B, or C) is: Coccus ________B____ Bacillus ______A______ Spirillum ______C______ Protista Amoeba can move via the extension of finger-like projections called pseudopodia

Explanation:

Amoeba can move via the extension of finger-like projections called pseudopodia, what prevents plant cells from moving in the same fashion?

Ans: The plants that prevent the information of pseudopodia have rigid cell walls. which is unlike to amoeba.  

How does the euglena compare to both plant and animal cells (i.e. - explain what structure(s) might make it similar to plants and what structures might make it similar to animals).

Ans: Euglena are similar to plants because they both have chloroplast and are similar to animals because  neither has a cell wall.

5 0
2 years ago
Silicate minerals polymerize to form a variety of structures. three-dimensional structures have ________ silicon than those comp
Ksenya-84 [330]

The three-dimensional compositions have more silicon in comparison to those composed of independent tetrahedra.  

The silicate minerals refer to the most general of Earth's minerals and involve feldspar, quartz, mica, pyroxene, amphibole, and olivine. On the other hand, the silica tetrahedra composed of oxygen and silicon, produce sheets, chains, and frameworks, and bonds with other cations to produce silicate minerals.  


3 0
3 years ago
Read 2 more answers
____ has the highest affinity for electrons while _____ has the lowest affinity for electrons.
77julia77 [94]

Answer:

The answers are Fluorine and Francium.

Explanation:

Fluorine has the highest affinity for electrons while Francium has the lowest affinity for electrons. This can be measured by the electronegativity of each one, where Fluorine is the most electronegative element. This can also be seen by the accommodation of elements in the periodic table.

6 0
3 years ago
What type of glial cell acts locally to maintain normal electrolyte composition of the cerebrospinal fluid?
nikitadnepr [17]

Answer:

Astrocytes

Explanation:

Astrocytes are specialized glial cells found in the brain and spinal cord, they are responsible for maintaining the electrolytic composition of the cerebrospinal fluid, induce the formation of the blood-brain barrier and act as a support and guide for neurons during migration. They keep the ionic composition of the extracellular fluid of the central nervous system through the water channels, Aquaporin-4 (AQP4) and K channels, located in the pedicle processes of the astrocytes in the perivascular space, these cells exchange K and water in said perivascular medium away from the neurons. Astrocytes selectively edematize during hypotonic stress, while neurons do not.

7 0
3 years ago
A researcher claims that a newly discovered microorganism is an autotroph. Which observation would support his claim?
Maslowich

Answer:

The microorganism creates its own energy.

Explanation:

Based on the pattern of nutrition, a living organism can either be autotrophic or heterotrophic. Autotrophic organisms are those organisms capable of synthesizing its own food or energy source using light (photosynthesis) or chemicals (chemosynthesis). Heterotrophs, on the other hand, cannot synthesize their own food, hence, they depend on other organisms for energy.

According to this question, a researcher claims that a newly discovered microorganism is an autotroph. For this claim to be true, this means that the microorganism must be capable of CREATING ITS OWN FOOD/ENERGY either by photosynthesis (light) or chemosynthesis (inorganic chemicals).

4 0
3 years ago
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