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spayn [35]
2 years ago
12

True or false the typical X shaped chromosomes is the result of DNA replication​

Biology
1 answer:
hodyreva [135]2 years ago
3 0

Answer:

True

Explanation:

Truly, the typical X shaped chromosomes is the result of DNA replication. When the DNA has replicated, it then condenses and coil into the X-shaped of the chromosome. This then implies that replicated chromosomes take the X-shaped structures seen under a microscope.

When this replication occurs, the chromosome is made of two structures that are identical. They are known as the sister chromatids. These chromatids are actually joined at the centromere.

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Total weight of protons and neutrons combined.
vlada-n [284]

Answer:

0.0000000000000000000000000016726 is the mass of proton and 0.000000000000000000000000006749 is the mass of neutron .

Explanation:

Multiply this masses with 9.8 and then add you will get the total weight.

7 0
3 years ago
What is the function of the ascending and descending tracts in the medulla oblongata? (module 13. 4c)
kakasveta [241]

The medulla has the ascending and the descending tract which function to link the brain with the spinal cord.

<h3>What is the role of medulla?</h3>
  • Medulla oblongata is the lowermost part of the brain.
  • It is located at the place where the brain and the spinal cord connect thus it carries nerve signals between the brain to spinal cord thus help the entire body to communicate.
  • It controls biological processes like blood pressure, breathing and heartbeat.
  • Ascending tract functions to carry sensory information from the body (e.g.: pain) from the spinal cord to the brain (upwards).
  • Descending tract carry motor information (e.g.: instructions to move the arm) from the brain down the spinal cord to the body (downward).
  • Damage to medulla can lead to respiratory failure, paralysis, or loss of sensation.

Learn more about medulla here:

brainly.com/question/26723889

#SPJ4

5 0
1 year ago
Plzzz helpppp!!!! and answer the question ​
Alexxx [7]

Answer:

DNA is being transcribed into mRNA

Explanation:

5 0
3 years ago
Which of the following statements is true?A. An isolated system cannot exchange either matter or energy with its surroundings. B
malfutka [58]

Answer:

A

Explanation:

An isolated system can NOT exchange energy or matter with it's surroundings. This is why it is isolated.

7 0
3 years ago
Which organ uses the circulatory system to communicate with cells throughout the body to control the amount of sugar they have a
sergeinik [125]
Pancreas? Though im not sure
4 0
2 years ago
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