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EastWind [94]
3 years ago
5

How did your phase contrast image of bacteria compare to your observations of the bacteria in the bright field mode?

Biology
2 answers:
Soloha48 [4]3 years ago
5 0
Umm, i am 11. i have no earthly idea.
horrorfan [7]3 years ago
5 0

The phase contrast image lets us see the bacteria in a clearer form with defined shades of cell organelles with the difference in the brightness. Here the image is clearly visible even without staining.

Where as without staining, the appearance of bacteria in the bright field mode only shows bright structure and not the color contrasts.

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Intercostal nerves Group of answer choices are also known as cervical nerves. do not enter into a plexus and directly connect to
Natali [406]

Answer:

The correct answer is: do not enter into a plexus and directly connect to the structures they supply.

Explanation:

<u>The </u><u>anterior rami</u><u> of the thoracic spinal nerves </u><u>from T1 to T11</u><u> give birth to the </u><u>intercostal nerves</u>, which are part of the somatic nervous system.

The intercostal nerves supply the thoracic pleura and abdominal peritoneum, and they vary from the anterior rami of the other spinal nerves in that they each take their own path without forming a plexus, <em>directly connecting to the structures they supply</em>.

The intercostal nerves are derived from the somatic nervous system, unlike the autonomic nervous system nerves that innervate the visceral pleura of the thoracic cavity. They can govern muscle contractions and give sensory information about the skin and parietal pleura as a result of this. This explains why damage to the thoracic cavity's interior wall can be felt as a severe discomfort in the damaged area. Damage to the visceral pleura causes a pain that is not localized.

5 0
3 years ago
When the sun produces energy, it consumes hydrogen and produces _____?
Olegator [25]
When the sun produces energy, it consumes hydrogen and then produces Helium. Nuclear fusion is the source of all energy, generated by the sun. The Sun, either converts hydrogen to helium or makes helium nuclei from protons, and also, the Sun converts mass to energy.
7 0
3 years ago
Read 2 more answers
Which of the following maintains the patency (openness) of the trachea? a. surface tension of water b. surfactant production c.
Bad White [126]

Answer:

<em>The correct option is C) C-shaped cartilage rings </em>

Explanation:

The trachea is commonly known as the wind-pipe. The trachea can be described as about a 4 inch long passage from which the air travels into the bronchi and lungs. The pathway of the trachea is kept open by C- shaped cartilages which are lined all over in the trachea. The C-shaped cartilages protects as well as maintain the shape of the wind-pipe. The rigidity of the trachea arises from the C-shaped cartilages.

4 0
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Valentin [98]

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Explanation:  A chain of volcanoes often forms parallel to convergent plate boundaries and powerful earthquakes are common along these boundaries.

8 0
3 years ago
What is one way in which bacteria are different from viruses
larisa86 [58]

Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.

Hope this helps (:

8 0
3 years ago
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