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dmitriy555 [2]
2 years ago
10

Explain the protective significance of chromosomes condensing into tight coils during mitosis.

Biology
1 answer:
antoniya [11.8K]2 years ago
6 0

Answer:

Chromosomes condense before mitosis to allow them the ability to move smoothly, without becoming entangled and breaking. (So, they are conveniently packaged for cell division, in which the chromosomes must move to both poles of the cell.)

Explanation: Otherwise it would be a massive mess to untangle and separate like a meesed up fishing reel jammed with line mixed together with the jammed lines from 3000 other messed up lines

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It would destroy the population of some of the nests

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3 years ago
Peripheral adaptation ________ the number of action potentials that reach the cns.
irga5000 [103]
The answer would be decreases.

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2 years ago
The axial skeleton provides an extensive surface area for the attachment of muscles that __________.
garik1379 [7]

The question is incomplete as it does not have the options which are:

  • Adjusts the positions of the head, the neck, and the trunk
  • Perform respiratory movements
  • Stabilize or position parts of the appendicular skeleton
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Answer:

All of the above

Explanation:

The axial skeleton is the group of bones which forms the centre of the skeletal system. The central portion of the skeletal system includes bones of the skull, bones associated with the skull, the thorax, and the vertebral column (spinal cord).

There are 80 axial skeletal bones out of which 22 bones are present in the skull, 7 attached to the skull, 25 in a thoracic cage and 26 in the vertebral column.

The axial skeleton help maintains the position of the appendicular skeleton, maintain the posture of the body by maintaining the posture of the neck, head and trunk and also help in the respiratory movements.

Thus, all of the above is correct.

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2 years ago
Crossing over occurs during prophase 1 of meiosis. Why is the process of crossing over significant for sexual reproduction?
bezimeni [28]

Answer:

When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. ... It results in gametes that have unique combinations of chromosomes. In sexual reproduction, two gametes unite to produce an offspring.

Explanation:

7 0
2 years ago
WILL GIVE BRAINLIEST!!!
gladu [14]

Answer:

B

Explanation:

is the outermost layer

5 0
2 years ago
Read 2 more answers
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