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Wewaii [24]
3 years ago
15

What is leucoplasts? Any body can define it?

Biology
1 answer:
Korvikt [17]3 years ago
4 0

Answer:

a colorless organelle found in plant cells, used for the storage of starch or oil.

Explanation:

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What are MAD (mitotic arrest deficient) proteins and when are they important in the cell cycle?
Mademuasel [1]

MAD (mitotic arrest deficient) are proteins related to spindle cell cycle checkpoint and it is important since they prevent the segregation of sister chromatids until all have bound to the spindle.

The cell cycle ensures the duplication of the genome and its distribution in daughter cells by passing through a coordinated and regulated sequence of events.

A series of checkpoints guarantee the orderly progression of the phases of cell division and the correct distribution of the duplicated genetic material in the daughter cells.

The checkpoints during mitosis are:

  • At the end of stage G1 and before S.

  • Before anaphase in mitosis.

  • DNA damage checkpoints in G1, S or G2.

The checkpoint before anaphase in mitosis guarantees the separation of chromosomes, and operates by activating the Mad2 protein that prevents the degradation of segurin, until the conditions are appropriate.

That is, the Mad2 protein prevents the segregation of sister chromatids until they have all bound to the spindle.

Therefore, we can conclude that MAD (mitotic arrest deficient) are proteins related to spindle cell cycle checkpoint and it is important since they prevent the segregation of sister chromatids until all have bound to the spindle.

Learn more here: brainly.com/question/9790187

6 0
2 years ago
Read 2 more answers
Energy is ____________ during each transfer of electrons in cellular respiration.
nadezda [96]
Released is the answer

6 0
3 years ago
Use the complementary rule: If we had a DNA strand of 20 nucleotides, and 6 of them
polet [3.4K]

Answer:

6 thymine, 4 guanine. 4 cytosine

Explanation:

Adenine pairs with thymine, so you need 6 of each

Cytosine matches with guanine, but the total of nucleotides is 20, so

6(adenine)+6(thymine)=12

20-12=8

8= 4(guanine)+4(cytosine)

8 0
3 years ago
What's your philosophy in life?
Inga [223]

Answer:

My philosophy in life is to learn something everyday, to take care of my physical and mental health, and to enjoy life serving God.

8 0
3 years ago
Which of these is correct? A) Oxygen + Sugar → Energy + Carbon dioxide + Water B) Carbon + Sugar → Energy + Carbon dioxide + Wat
AnnZ [28]
The answer of this question is C 
5 0
3 years ago
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