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amid [387]
3 years ago
15

After reading the paragraph below, answer the question that follows. You're conducting an experiment to determine the effect of

different wavelengths of light on the absorption of carbon dioxide as an indicator of the rate of photosynthesis in aquatic ecosystems. If the rate of photosynthesis increases, the amount of carbon dioxide in the environment will decrease, and vice versa. Small aquatic plants are placed into three containers of water mixed with carbon dioxide. Container A is placed under normal sunlight, B under green light, and C under red light. The containers are observed for a 24-hour period. Based on your knowledge of the process of photosynthesis, the plant in the container placed under red light would probably
Biology
1 answer:
stepladder [879]3 years ago
3 0
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Viral hemagglutination assays only work with certain types of viruses because
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Answer:

a. the virus must be able to cross-link red blood cells directly.

Explanation:

Viral hemagglutination assay is a method which is used for the quantification of the relative concentration of the viruses.

The principle on which the hemagglutination assay works is as follows:

  1. There are sialic acid receptors present on the surface of the red blood cells which will bind to the haemagglutinin glycoprotein present  on the surface of the viral particle. 
  2. Due to the binding of the sialic acid receptors with haemagglutinin particle there will be cross-linking of the red blood cells by the viral particles and a lattice formation will take place. 
  3. The lattice will remain suspended in the solution however if the concentration of the virus particles will be less, the lattice will settle down in the well. 

Thus, this method allows knowing the relative concentration of the virus. 

<em>Due to its basic principle of cross-linking this method works well for only a few viruses such as influenza virus. </em>

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3 years ago
HELP *20 POINTS* <br> 8th grade science
Komok [63]

Answer:

pyroclastic flow is a fast moving current of hot gas and volcanic matter that flows along the ground away from a volcano at high velocities.

Hotspot is volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle

caldera-a large volcanic crater, especially one formed by a major eruption leading to the collapse of the mouth of the volcano.

tephra-rock fragments and particles ejected by a volcanic eruption

epicenter-the central point of something, typically a difficult or unpleasant situation

fault-an extended break in a body of rock, marked by the relative displacement and discontinuity of strata on either side of a particular surface

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3 years ago
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alexira [117]

NADH and FADH2 are used in the next step of the aerobic respiration(electron transport chain) for their electrons, the energy they store in the electrons to be precise

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3 years ago
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Why is the ability of the cell membrane to be "picky" important?
Yuliya22 [10]

Answer:

Hi there!

Your answer is:

It is very important for the cell membrane to be <em>semi-permeable</em> because the ability to pick and choose what comes in and out of the cell keeps the cell safe! The membrane can choose to block out nasty germs and can also choose to get rid of internal waste.

An example of when this is important is in this scenario:

Let's say the cells are in a really salty solution. Naturally, salt will want to pull the water out of the cell. If the membrane <u>wasn't</u><u> </u> semi permeable, the water would listen to the salt and leave the cell. This would cause cell death. <u>BECAU</u><u>SE</u> the membrane is semi permeable, they can choose <em>not</em> to give the salt any water, keeping them alive

Hope this helps

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Which disease is associated with excessive dopamine secretion, decreased gray matter in the temporal lobes, and abnormal hippoca
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Schizophrenia is the answer
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