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exis [7]
2 years ago
11

True or False: If a cell moves pass the M phase checkpoint this means that the DNA chromosomes are not correctly aligned in the

middle of the cell or attached to the spindle fibers. 
-true
-false​
Biology
1 answer:
vitfil [10]2 years ago
4 0

Answer:

False

Explanation:

Cell cycle checkpoints are points in the cell cycle when the cell can halt the cell cycle in response to errors or when conditions are not optimal for dividing.

The M checkpoint ensures that mitotic spindle is attached to the chromosomes and that they are aligned properly in the middle of the cell.

If the cell halts at the checkpoint, then the chromosomes are not aligned properly and the spindle is not attached.

If the cell passes through the checkpoint, the chromosomes are properly aligned and the spindle is attached ready to proceed with mitosis.

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The canal connecting the third and fourth ventricles and running through the midbrain is the interventricular foramen.
jeyben [28]

Answer:

The answer is false. The correct answer is cerebral aqueduct.

Explanation:

Because the foramen is the area that connects the third ventricle of the brain to the two lateral ventricles.

The canal connecting the third and fourth ventricles is called cerebral aqueduct.

4 0
3 years ago
Compare how energy is used worldwide with how it is used in the United States.
Maslowich

Answer:

the U.S comsumes almost 15% of the worlds energy

Explanation:

yes

7 0
2 years ago
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sveticcg [70]

Answer:

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Explanation:

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3 0
3 years ago
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Ainat [17]

Answer:

c. they divide quickly

3 0
3 years ago
How does cladistics help us understand phylogeny?
dangina [55]

Answer: C.) Cladistics is based purely on the shared characters between organisms and their ranking in evolutionary history.

 

Explanation:

Phylogeny is the evolutionary science which derives a relationship among the ancient species with their descendants based upon common genetic, physiological and morphological characteristics. Cladistics represent the study of a group of organisms which exhibit a common ancestor. A clade includes organisms having a common ancestors and exhibit similar traits in them. A clade is sufficient to include the organisms in a phylogenic tree based upon their evolutionary history.

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