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AleksAgata [21]
3 years ago
12

If bacteria are not trapped before air enters the lungs they can cause an infection.state the name of this disease

Biology
1 answer:
aev [14]3 years ago
3 0
It is called pneumonia
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Calculate the ratio of H+ ions to OH– ions at a pH = 7. Find the concentration of H+ ions to OH– ions listed in Table B of your
EastWind [94]

Answer:

1:1

Explanation:

What is the concentration of H+ ions at a pH = 7?

⇒ 0.0000001 mol/L  

What is the concentration of OH– ions at a pH = 7?

⇒ 0.0000001 mol/L  

What is the ratio of H+ ions to OH– ions at a pH = 7?  

1 :1

4 0
2 years ago
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When a pigment molecule in a light-harvesting complex absorbs a photon of light, what happens to its excited-state electron?.
MA_775_DIABLO [31]

When a pigment molecule in a light-harvesting complex absorbs a photon of light, While returning to its ground state, the electron transfers some of the energy from its excited state to an electron in a nearby pigment molecule.

  • It takes a photon of light energy some distance before it reaches a pigment molecule like chlorophyll.
  • An electron in the chlorophyll is "activated" by the photon. The energy imparted to the electron then moves from one pigment molecule to another until it reaches the reaction center, a pair of chlorophyll a molecules.
  • An electron in the reaction center is then excited by this energy, causing it to break loose and travel to the primary electron acceptor.
  • Therefore, it is said that the reaction center "donates" one electron to the main electron acceptor.

learn more about light-harvesting complex here:

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8 0
2 years ago
What am I?
nalin [4]
I think the answer is the sun but i could be wrong
7 0
3 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
What joins monomers by removing molecules of water
Firdavs [7]

Explanation:

this is cheeeeeeeeeeemistry

3 0
3 years ago
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