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joja [24]
1 year ago
6

What is the function of the ascending and descending tracts in the medulla oblongata? (module 13. 4c)

Biology
1 answer:
kakasveta [241]1 year ago
5 0

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

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Answer:

Phenotypic ratio= 1 Brown : 1 Gray

Explanation:

Genotype of brown snake= BB

genotype of gray snake= Bb

A cross between brown (BB) and gray (Bb) snake obtains progeny in following phenotypic ratio= 1 Brown : 1 Gray

Here, the heterozygous parent, gray snake (Bb) forms two types of gametes in 1:1 ratio while the homozygous dominant parent, brown snake (BB) forms only one type of gamete.

4 0
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Which of the following is not a reason we become shorter as we age?
Lady_Fox [76]

Answer:

The correct answer is - As a person ages, scoliosis may develop resulting in an abnormal spinal curvature and shorter stature.

Explanation:

Scoliosis is a condition in which spine curvature towards the sides takes place before the puberty during growth period or spurt normally. The cause of this condition could be muscle dystrophy or palsy and similar condition.

This affects the stature of an individual but not affected by age as it remains constant normally after development or growth till puberty. All other conditions are associated with the short stature and influenced by the age.

3 0
2 years ago
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Marrrta [24]

Answer:

Soil Tillage, Climate Change and Soil Carbon Sequestration

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7 0
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Which of the following describes a function of the endoplasmic rectum within a cell ​
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Explanation:

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  • It helps in the transport of protein molecules to the golgi apparatus.
  • Protein is usually folded in the endoplasmic reticulum.

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Endoplasmic reticulum brainly.com/question/2622106

#learnwithBrainly

6 0
2 years ago
if a fungus helps a plant take up water and nutrients, that would be an example of which type of relationship? a. commensalism b
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4 0
2 years ago
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