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charle [14.2K]
2 years ago
7

- Which occurrence is the result of the cell cycle in unicellular organisms?

Biology
1 answer:
andre [41]2 years ago
3 0

Answer:

D

Explanation:

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Which process do you think offers a greater chance of nondisjunction—mitosis or meiosis? explain your answer
mario62 [17]
Answer: Nondisjunction means that a pair of homologous chromosomes has failed to separate or segregate at anaphase so that both chromosomes of the pair pass to the same daughter cell. This probably occurs most commonly in meiosis, but it may occur in mitosis to produce a mosaic individual.
8 0
1 year ago
Does a prokaryotic cell or a eukaryotic cell seem more simple? Explain our answer.​
dedylja [7]

Answer:

prokaryotic

Explanation:

I think that because since it doesn't have a nucleus or as many organelles as eukaryotic. They are smaller in size and don't have membrane bound structures.

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2 years ago
A high rise condominium is planned for a barrier island that lies off the southwest coast of Florida. Which of these predictions
Sergio [31]

Answer:

The ecosystem will be destabilized as abiotic resources like available space are reduced.

Key species found on the barrier island will move to a new habitat.

Explanation:

Due to living of humans on the barrier Island with adversely affected the organisms present on that Island because the loss of habitat occur due to living of humans and the important species migrated to other habitats where no humans are present. So this action greatly change the environment of barrier Island and the ecosystem will be destabilized.

5 0
3 years ago
Hoe do compounds differ from elements
pogonyaev
Compounds are made up of elements.

Elements are the ones we pull straight out from the periodic table.

For example:
H2O, HCl, NaCl, NaOH --> these are all compounds

H, N, B, Ne, Na, Cl, O, K --> these are all elements.
4 0
3 years ago
Cells from advanced malignant tumors often have very abnormal chromosomes as well as an abnormal number of chromosomes. What mig
patriot [66]

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
5 0
2 years ago
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