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Yuliya22 [10]
2 years ago
10

I need help on this i have no clue what to do !!!!!

Biology
1 answer:
Readme [11.4K]2 years ago
4 0
Have you finished this?? I need gelp
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Which statement describes a chemical property?
trasher [3.6K]

Answer:

Its the last one

Explanation:

6 0
3 years ago
Which of lead protein stricture to the x helix and the b pleated sheet represent?
Dmitry [639]
Alpha helices and Beta pleated sheets make up the secondary structure of protein.
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
<img src="https://tex.z-dn.net/?f=Write%5C%3Ba%5C%3Bstory%5C%3Babout%5C%3Byour%5C%3Bbest%5C%3Bfishing%5C%3Btrip%21%5C%5C%5C%5C50
bearhunter [10]

Answer:

When I first read this question, all I could think about was the capsized fishing charter called, “the Erik”. The inept captain and crew of this boat caused the death of four passengers while three others remain missing. This disaster occurred back in 2011. I knew two of the passengers. One was recovered in 2013. The other is still listed as missing. However, this question concerns the “best story”. So, I’ll give you the accounts of my own experience. Back in 2013, my group of long-range fishing friends had chartered our annual 8-day trip out of Point Loma, San Diego. We had always chartered the same boat; the Shogun. At our traditional dinner the night before boarding, I remember the most notable topic being discussed was the remnants of Hurricane Ingrid. Ingrid had caused high winds and seas in the area where we wanted to fish.

5 0
3 years ago
Which of the following is NOT the result of a mutation in the DNA sequence of an organism?
Mama L [17]

DNA is copied during mitosis and when the two resulting copies of DNA are compared they are found to contain the same order of nucleotides is not the result of mutation in the DNA sequence of an organism.

Explanation:

Mutation is the process

It is caused by certain chemicals called mutagens or by environmental factors.

In mutation the nucleotide get change which eventually changes the protein product.

In  mutation purine base gets mutated to purine base and pyrimidine base gets mutated to pyrimidine only.

A single change in nucleotide is called point mutation and the effect occurring because of it is called frame shift mutations.

In S phase there are checkpoints which ensure that DNA replication is accurate and when mitosis follows it equal distribution of DNA takes place between the two daughter cells hence no mutation will takes place.

6 0
3 years ago
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