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diamong [38]
2 years ago
5

During cell division the ONLY cell organelle that breaks down and reforms is the

Biology
1 answer:
Nady [450]2 years ago
5 0

Answer:

kinetochore

Explanation:

The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the mitotic spindle.

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How do you compare these meiosis and mitosis
Ad libitum [116K]

Mitosis: Asexual reproduction, Four daughter cells, The chromosome's double in number, 46. Two cell divisions, They are identical

Meiosis: Sexual reproduction, Four daughter cells, The chromatid count never changes, Two divisions, They are genetically different from the parent.

8 0
3 years ago
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As a plant grows, new root hair cells are formed from unspecialised cells.
Marina86 [1]

Answer:

Root hairs appear in the root maturation zone and differentiate from unspecialised cells called trichoblasts.

Explanation:

Root hair arises as a small protrusion surrounded by a cell wall, they are found in the piliferous area; they can originate in unspecialised epidermal cells, in some called trichoblasts. The bump begins to elongate and moves away from the epidermis, forming root hair. The root hairs as they lengthen, it is seen that their content shows a polarized distribution, the apical part is constituted mainly by vesicles secreted by the Golgi apparatus that contain the precursors of the cell wall that are to be released by exocytosis. Trichoblasts can be arranged in different ways, there are roots where any of the cells that are part of the rhizodermis can give rise to a root hair. In other roots, trichoblasts and atricoblasts have been seen to be distinguished alternately along a row of cells.

4 0
3 years ago
1. How does Dr. Werner's project protect iguanas and help local farmers too?
Mademuasel [1]

Answer:

hi sir this channel and subscribe and rainfall the plant is a push and rainfall the forests and the nucleus is a

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3 years ago
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Where does spongy bone occur in the skeleton?
Murrr4er [49]

spongy bone is found in the bones of the skull, sternum, vertebrae, the pelvis, the lining of the marrow cavity and the epiphysis.

3 0
3 years ago
Help please I will give brainliest if it is a right and valid answer with atleast 2 sentences. Thanks so much
Olegator [25]

Explanation:

Lucille's cells need oxygen. In order for cells to properly function, they need to be oxidized. If Lucille's respiratory system is not working then her body cannot receive the oxygen that it needs in order to send to her blood cells. The circulatory system pumps Lucilles's blood around her body but if there is no oxygen, Lucille's cells/heart cannot properly function, this making it difficult for her to play soccer.

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