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stepan [7]
3 years ago
8

An experiment is designed so that you can observe the differences between the experimental group and the ?

Biology
1 answer:
eduard3 years ago
6 0
Good evening Aixa,

An experiment is designed so that you can observe the differences between the experimental group and the control group.

The experimental group is the group of specimens you're exposing to the experiment and the control group is a separate group of specimens that is not being exposed to the experiment, but are also being observed.

-Hope this helps!

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What type of feature is created at two oceanic crust with the same density
soldier1979 [14.2K]

Subduction zone

Explanation:

The feature created at the convergent of two oceanic crust having the same density is a subduction zone.

A subduction zone is covergent margin in which two plates pulls together and one goes under the other.

  • Oceanic crusts are denser than the mantle below,
  • When convergent occurs between them, one of the two plates will simply go into the mantle.
  • This results in the formation of a subduction zone.

learn more:

Descending lithosphere brainly.com/question/9582362

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5 0
4 years ago
13. Why do cells need both tRNA and mRNA? (1 point)
timurjin [86]
1. <span>tRNA is the one carrying amino acids

2. </span>Mutation does not always affect the evolution of a species because <span>not all mutations affect an entire species. 

3. </span><span>The type of chromosomal mutation that occurs here is an example of a deletion mutation. Specific genetic data, or DNA is removed and the remaining portions of chromosomal information have rejoined. 

4. </span><span>A chromosomal deletion mutation

5. </span>The mutagens that result in cancer damage DNA by (b) weakening the DNA strand or interfering with base pairing. This mutagens are called carcinogens, if they cause a damage to a gene that makes a DNA repair protein, it means that a cell will have less ability to repair itself, and ,as a result, this will lead to formation of cancer.
3 0
3 years ago
Read 2 more answers
Lipids are a poor source of stored energy. lipids are a poor source of stored energy.
valentina_108 [34]
B. False it’s the only source of stored energy we got
6 0
3 years ago
Can someone please help me with #22 I would appreciate it. <br> Thanks
igor_vitrenko [27]

Answer:

Glycolysis occurs in the Cytoplasm

Electron Transport Chain occurs in the Mitchondria

Krebs Cycle also occurs in the mitchondria

Explanation:

Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. Nearly all living organisms carry out glycolysis as part of their metabolism. The process does not use oxygen and is therefore anaerobic. Glycolysis takes place in the cytoplasm of both prokaryotic and eukaryotic cells.

The electron transport chain is the last stage of the respiration pathway. It is the stage that produces the most ATP molecules. The electron transport chain is a collection of carrier proteins found on the inner membrane of mitochondria. NADH  hydrogen ions and electrons into the transport chain.

The Krebs cycle happens only within the mitochondrial matrix. Pyruvate is formed in the cytosol of the cell, then imported into the mitochondria.

(Credits to websites)

7 0
4 years ago
If plaque buildup reduces the radius of the artery by a factor of 2, by what factor does the flow rate change?
lisabon 2012 [21]

If plaque buildup reduces the radius of the artery by a factor of 2, the flow rate becomes 1/16th of the original.

Coronary heart disease results from a deposition of plaque in the blood vessels which transport blood to the heart. When the flow of blood to the heart is hampered or obstructed, the heart can be harmed due to a deficiency of oxygen.

Moreover, if a large section of plaque that is deposited gets displaced from an artery wall, it can get stick in other arteries in the body as well,  including those present in the brain.

For convenience, an assumption can be made that the artery is cylindrical in shape with a radius of R. The flow rate of a viscous fluid (blood in this case) is determined by Poiseuille's Law, i.e. Q = (π/8) (ΔP/ηl)r4.

To learn more about Poiseuille's Law here

brainly.com/question/14830017

#SPJ4

8 0
2 years ago
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