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topjm [15]
3 years ago
7

Whats the correct answer to the question ?

Biology
1 answer:
Alex17521 [72]3 years ago
7 0
What question are you talking about?
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Which of these is NOT characteristic of chordates?
Leya [2.2K]
The option which is not a characteristic of chordates is chloroplasts in their cells.
Chordates do have a dorsal supporting rod (vertebrates are types of chordates - they have a spine), a dorsal hollow nerve cord (within the spine), and pharyngeal pouches. However, they do not have chloroplasts, because that is a characteristic of photoautothropic eukaryotes, which chordates certainly are not.
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What role do memory cells play in immunity
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Which option best describes genes?
lions [1.4K]

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3 years ago
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In many cells, the adhesion to the extracellular matrix through integrins causes the activation of kinases in the cytoplasm. Thi
Pachacha [2.7K]

Answer: There is presence of tumor.

Explanation: The adhesion of cells to extracellular matrix (EMC) through integrins ( cell-EMC binding molecules, which are collagens, laminins and fibronectin) causes the activation of kinases in the cytoplasm.

However, kinanes helps in controlling the epithelial cell differentiation and upholding the epithelial tissues. This is done by the addition of phosphate groups to a substrate protein which is termed Protein phosporylation. Then, the kinases direct the affairs of the cell and it's activities. For example, it determines the cell division, anabolic and catabolic activities of the cell, movement of ions between the cell and it's environment (signal transduction), protein functions and etc.

Conclusively, since the activities of the cell like cell division and protein functions is dictated by the kinase, reduction in cell division that gave rise to rapid growth is put on hold. Hence, the tumor is been suppressed.

Note: the binding of cell-EMC is regulated by Transforming Growth Factor (TGF) β.

4 0
3 years ago
The primary "food"<br> produced by<br> photosynthesis is a<br> 6-carbon sugar called
xenn [34]

Answer:

The primary "food"  produced by  photosynthesis is a  6-carbon sugar called glucose.

Explanation:

Through photosynthesis, plants use the sunlight to create a sugar called glucose. The plants use this energy to create other substances, such as starch and cellulose. This gives them the nutrients and vitamins they need to grow.

Hope this helps! :)

3 0
2 years ago
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