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2 years ago

Which summary best explains the mechanisms that control the cell cycle in multicellular

Biology

1 answer:

ivann1987 [24]2 years ago

3 0

Answer:

The correct answer is internal and external signals regulate the progression of the cell cycle at various critical check points.

Explanation:

The cyclic event that helps to prepare the cell for division is termed as cell cycle.Cell cycle are regulated by various internal and external factors which regulates the passage of cell through various critical check point.

For example Maturation promoting factor helps in the progression of frog egg oocytes cells from G2 to M phase.

G1 cyclin CDK helps in the passage of cell from G1 to S phase.

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34kurt

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Explanation:

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2 years ago

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Answer:

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3 years ago

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Alisiya [41]

Answer:

1 -

a. Arrow pointing inward (water goes into the cell)

b. Hypotonic solution

2 -

a. Arrow pointing outward (water goes out of the cell)

b. Hypertonic solution

3 -

a. Equal sign (no arrow)

b. Isotonic solution

4 -

a. Arrow pointing outward (water goes out of the cell)

b. 10% h20 70% solute

c. Hypertonic solution

5 -

a. Arrow pointing inward (water goes into the cell)

b. 50% h20 (in the cell) 20% h2o (out of the cell)

c. Hypotonic solution

6 -

a. Arrow pointing outward (water goes out of the cell)

b. 30% solute (in the cell) 80% solute (out of the cell)

c. Hypertonic solution

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2 years ago

Directions: Use the graph to answer the question.

kobusy [5.1K]

Answer:

Explanation:because of electricity the coal amount will decrease

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3 years ago

Which of the following environments would not contain fossils

juin [17]

Answer:

as I know

Explanation:

<em>Igneous rocks, which form from cooling magma or lava, and metamorphic rocks, which have been altered by heat and pressure, are unlikely to contain fossils. The “soft” tissues of an organism, such as skin, muscles, and internal organs are typically not preserved as fossils.</em>

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2 years ago