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maria [59]
3 years ago
12

Which is a difference between a compound light microscope and a scanning electron microscope? A: the scanning electron microscop

e can view the internal part of a cell, while the compound light microscope views the surface of a cell. B: The scanning electron microscope specimens can be stained for contrast, while the compound light microscope specimen appears black and white. C: the scanning electron microscope is used for dissections, while the compound light microscope is not. D: The scanning electron microscope uses an electron beam and a layer of gold to view the surface of the cell, while the compound light microscope uses light and lenses.
Biology
2 answers:
slega [8]3 years ago
6 0

Answer:

D

Explanation:

kati45 [8]3 years ago
5 0

Answer:

The correct answer is D.

Explanation:

Because the scanning electron microscope uses an electron beam instead of a light beam to form an image, and the compound microscope uses lens and light.

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How does the structure of the small intestine help it to perform its function?
Mumz [18]

The correct answer is:

D .Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.

Explanation:

The small intestines are well adjusted for absorbing nutrients during digestion by being very long, having villi and microvilli that enlarge surface area, using muscular contractions to move and mix food, and raising and housing digestive enzymes and bile that aid the breakdown of food. The inner surface of the small intestine is not flat but thrown into circular folds, which not only enhance surface area but aid in preparing the ingesta by acting as baffles. Villi: the mucosa makes multitudes of ridges which project into the lumen and are satisfied with epithelial cells.


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3 years ago
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1. Llena los espacios en blanco
Nezavi [6.7K]

Answer:

tacos and burritos

Explanation:

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4 0
2 years ago
Oogenesis and spermatogenesis both involve the chromosomal-reduction divisions of meiosis, which takes the gametes from the full
OleMash [197]
Oogenesis and spermatogenesis both involve the chromosomal-reduction divisions of meiosis,which takes the gametes from the full complement of chromosomes to the Haploid number of chromosomes. Meiosis is the  type of cell division that take place in the gamete cells, where diploid cells of the germ lines undergo cell division to yield haploid cells, normally the gametes are made through this process, that is, the ovum through Oogenesis, and the sperm through spermatogenesis. During fertilization the two combines to produce a diploid cell once again that undergoes continuous mitosis to form a zygote.
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3 years ago
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lesantik [10]

Answer: biodiversity

Explanation: it makes sense as the best answer from all the choices, could be wrong tho lol

3 0
3 years ago
1. Define diffusion.
anygoal [31]

Answer:

1) Diffusion is net movement of anything (e.g., atom, ions, molecules) from a region of higher concentration to a region of lower concentration.

2) Osmosis is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides

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4)  Molecules tend to move from areas of higher concentration to areas of lower concentration.

I'm sorry, but I don't know how to do part #2. I think it's a lab.

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3 years ago
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