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xxMikexx [17]
3 years ago
7

By the end of the preschool period, the ________ part of the brain has grown significantly because it becomes considerably thick

er with individual fibers that help coordinate brain functioning between the two hemispheres.
Biology
1 answer:
monitta3 years ago
4 0

The answer is corpus callosum. This is the one that connects the two hemispheres of the brain. Its packed functioning is essential for the child to leap on one foot while keeping the arms in the air for balance. Younger children cannot do this exercise without holding onto something hard. in the same way, extra abilities in the academic domain which need communication between the two hemispheres cannot occur without this progress. 

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Antidiuretic hormone (ADH) and the renin-angiotensin-aldosterone system (RAAS) work together in maintaining osmoregulatory homeo
julsineya [31]

Answer:

The correct answer will be- ADH alters the reabsorption of water and RAAS leads to the reabsorption of sodium ions.

Explanation:

To maintain the osmolarity of the blood in the human body, the body activates the RAAS pathway and the production of ADH.

RAAS pathway gets activated when the receptors sense low blood pressure in the body. This activates the production of renin from the juxtaglomerular cells of the body which converts the angiotensin to angiotensin I and later angiotensin II.

This allows the reabsorption of sodium ions in the blood through proximal and distal tubules in the nephron.  This activates the synthesis of aldosterone which increase the permeability to sodium ions.

The Antidiuretic hormone helps regulate the low blood pressure by adding aquaporins to the distal tubule membrane which help absorb the water.

Thus, ADH alters the reabsorption of water and RAAS leads to the reabsorption of sodium ions is the correct

6 0
3 years ago
Which virus is correctly matched with its structure?
yan [13]

Answer:

B. polio—polyhedral shape

Explanation:

A virus is a small parasite which cannot self reproduce. For a virus to produce more viruses, it uses the cell to duplicate itself. Viruses contain RNA or DNA as their genetic material.

Poliovirus is composed of an RNA genetic material and it is responsible for Polio. Polio leads to paralysis and is transmitted through contaminated water or food, or contact with an infected person.

The shape of Poliovirus is formed by polyhedral (many-sided) shell or capsid.

5 0
3 years ago
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All living organisms are made from different combinations of only ___________ amino acids. 15 20 25 30 double helix bi-helix twi
Ede4ka [16]
All living organisms are made of only 20 different aminoacids- this is the correct answer! This means that the genetic code only codes for those 20 aminoacids (for example Glutamine and  Lysine). 
The 20 aminoacids that can form proteins are also called Proteinogenic amino acids.

8 0
3 years ago
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Vineyards and orchards operate all year round. What are some practices from the recommended list of physical/cultural control th
Sloan [31]

Answer:

Some practices from the recommended list of physical/cultural control that you could do year-round to help control pests are as follow:

1. We can use those plant species that are more competitive. These plant species include release of chemical toxins that suppress other plants and insects.

2. Use of large Hight quality seeds.

3. By using narrow spacing in row and increasing seeding rate.

4. By using shallow seeding technique which allow desired plant species to grow and develop faster above the surface of soil.

5. By ensuring that our plant species is perfectly placed in that growing environment which is optimized with every specs.

6. By rotating the crops

7. By rotating plant species with different growing cycles and seasonal cycles.

8. By rotating herbicides with alternative modes of action to delay the herbicide resistance development.

8 0
3 years ago
* Describe at what point in the cell cycle cells begin to divide uncontrollably.
Butoxors [25]

Every cell in the body goes through a life cycle. Cells grow and divide to replace cells that are lost because of normal wear and tear or injury. Different cells grow and die at different rates. Some cells, such as epithelial<span>epithelialA thin layer of epithelial cells that makes up the outer surfaces of the body (the skin) and lines hollow organs, glands and all passages of the respiratory, digestive, reproductive and urinary systems.</span> cells, reproduce quickly. Other cells, like nerve cells, grow slowly. Both normal cells and cancer cells go through a sequence of steps, or phases, when they form new cells. This is called the cell cycle.

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8 0
3 years ago
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