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Finger [1]
3 years ago
13

What is a factor that controls the rate of cell division?

Biology
2 answers:
Vesnalui [34]3 years ago
4 0
Kinases and Cyclins are Internal Factors that Regulate Division. When cells reach a checkpoint within the cell cycle, whether they continue division or abort the process is regulated by cyclin-dependent protein kinases.
Ugo [173]3 years ago
3 0

Answer:

Mitogens

Explanation:

Mitogens: proteins that turn off negative signals that are blocking cell division.

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B

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There always has to be a dominant allele

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NikAS [45]

Answer:

Chlorophyll is a green pigment found in chloroplast in plants. It absorbs sunlight during the process of photosynthesis. It is a chelate molecule. In a chelate molecule a central metal ion forms bonds with a large organic molecule made of carbon, hydrogen and other elements like nitrogen or oxygen.

In chlorophyll, magnesium is the central metal ion and it is bonded to a large organic molecule called as porphyrin. Porphyrin constitutes four nitrogen atoms to which the central magnesium is bonded in square planar arrangement. Since chlorophyll is responsible for the green color of the leaves, more the green color more the chlorophyll content and more is the nitrogen content. Hence, chlorophyll meter measures this green light and finds out if the plant needs more or less nitrogen.

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