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Sonja [21]
3 years ago
9

What are 4 major macromolecule

Biology
1 answer:
castortr0y [4]3 years ago
5 0
The four major macromolecules are carbohydrates, lipids<span>, </span>nucleic acids<span>, and proteins.</span>
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Describe how diffusion and osmosis move substances through a plant. Must have two examples.​
Jlenok [28]

Osmosis help plants to absorb water from soil. Diffusion is the process by which carbon dioxide from the stomata diffuses to the leaves and then to the cells.

Explanation:

  • Example one - The genetic modifications in some of the plants can help in survive and adopt the osmosis in a very dry environment. They develop defense methods to handle the water loss.  
  • Example two - Some plants in a permanent dry environment like desert have special structures like reduced leaves, sunken stomata, and so on to conserve water and thus achieves diffusion.
  • Another example for diffusion - loss of water vapour from leaves to the atmosphere. Another example for osmosis - the roots of the plants have high concentration than the surrounding soil and hence water flows into the roots.
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3 years ago
Terri lost her water bottle while hiking in Canada it was a hot day so she drank water from a stream to stay hydrated a few days
hammer [34]

Answer:

She got infected through the water she drank at the stream.

Explanation:

Protozoa is a type of pathogenic microorganisms.

Giardia are flagellate protozoa that cause the disease called giardiasis. The parasites enters the body through ingestion of contaminated food or water The food or water are usually contaminated by the feces of infected people or animals.

The protozoa attach to the lining of the host’s small intestine, where they prevent the host from fully absorbing nutrients. They may also cause diarrhea, abdominal pain, and fever.

The symptoms in the question above points to a likelihood that Terri’s sickness was caused by a Giardia protozoa.

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3 years ago
Which statement accurately describes the relationship between the brain and addiction?
den301095 [7]
 C. The brain reacts to excessive dopamine levels by increasing the number of dopamine receptors.<span> 

</span>The statement accurately describes the relationship between the brain and addiction. There is a significant link between neurotransmitters and its influence on the activity and the emotion that we feel towards that set of activity. When there is an abnormal or disoriented amount of neuro-chemicals then it would cause some dysfunctional responses on the activity. 
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3 years ago
O er ejemplo
DiKsa [7]

Answer:

but you got to figure it out

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A 10-year-old male is diagnosed with sickle cell anemia. when the parents ask who is responsible for this disease, what is the n
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Sickle cell anemia is recessive, meaning people with the disease inherit it from both parents.
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