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Zigmanuir [339]
1 year ago
12

A virus is isolated, and individual virions appear spherical. what type of virus is this?

Biology
1 answer:
arlik [135]1 year ago
5 0
This virus is Icosahedral
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An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?molten mate
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The answer would be: <u>Molten material that cooled quickly.</u>


Igneous rocks are formed by the cooling of molten material. So we can cross out the last two choices. The rock has no identifiable crystals so it is most likely an Extrusive igneous rock. They form on the surface where they cool quickly.


Those that form underground are called intrusive rocks. They cool slowly allowing enough time for crystal formation.

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Because the amazon pink dolphin is in danger of extintion <br> it is urgent
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Answer:

yes it is in high risk of extinction

Explanation:

yes it is in high risk of extinction

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Cells from advanced malignant tumors often have very abnormal chromosomes as well as an abnormal number of chromosomes. What mig
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Answer:

<u>Option- D: </u>Is the best choice to choose from the given options.

Now, let us explain the term Cell cycle in a more comprehensive way.

<u>As the cell cycle is controlled at three checkpoints.</u>

  • The integrity of the DNA is assessed at the G₁ checkpoint.
  • Proper chromosome duplication is assessed at the G₂ checkpoint.
  • Attachment of each kinetochore to a spindle fiber is assessed at the M checkpoint.

Explanation:

The cell cycle is controlled by three internal checkpoints that evaluate the condition of the genetic information.

  1. <u>The G₁ Checkpoint</u>:This stage determines whether all conditions are favorable for cell division to proceed. The cell can halt the cycle and attempt to remedy the problematic condition, or the cell can advance into G₀ (inactive) phase and await further signals when conditions improve.
  2. <u>The G₂ Checkpoint:</u> The most important role of the G₂ checkpoint is to ensure that all of the chromosomes have been accurately replicated without mistakes or damage.
  3. <u>The M Checkpoint:</u>It occurs near the end of the meta-phase stage of mitosis. it determines whether all the sister chromatids are correctly attached to the spindle micro-tubules
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What does alternative energy mean ?
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energy generated in ways that do not deplete natural resources or harm the environment, especially by avoiding the use of fossil fuels and nuclear power.

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And they are
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Answer:A

Explanation:

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