Given what we know, we can confirm that a disease that harms the roots of a plant will not allow the plant to draw in water, which it needs to maintain all basic functions of life.
<h3>What do the roots of plants do?</h3>
The roots of plants are the means through which they absorb water and nutrients from the soil. Without their roots, plants cannot take in water to allow for all of the most basic functions of life, and cannot survive.
Therefore, we can confirm that a disease that harms the roots of a plant will not allow the plant to draw in water, which it needs to maintain all basic functions of life.
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Answer:
B) astrocytes
Explanation:
Cells other than neurons that play an important role in the normal functioning of nervous system are called Neuroglia or glial cells.
Satellite cells, astrocytes, schwann cells and oligodendrocytes are all examples of glial cells.
⇒Satellite cells provide protection and nutrition to cells in peripheral nervous system ( peripheral nerves and ganglia).
⇒<em><u>Astrocytes</u></em> play an important role in central nervous system (brain and spinal cord). They provide protection to neurons, scavenge ions, form the blood-brain barrier and also maintain extracellular environment suitable for neuronal functioning.
⇒Schwann cells are found in the peripheral nervous system and myelinate the axons of neurons.
⇒Oligodendrocytes are found in central nervous system and produce myelin sheath which myelinates (insulates) axons of neurons. Their function is similar to schwann cells but in the central nervous system.
From the above discussion it is clear that the answer is B) Astrocytes as these maintain a suitable chemical environment for the neurons.
The answer to this question would be: <span>B) fat; they store twice as much energy per gram. </span>
Fat can be converted into much more calorie than glucose or protein. Glucose and protein rate would be 4kcal/grams but fat can give 9kcal/grams which were about 2 times more.
But carbohydrate would be the primary source of energy in the human diet. If the energy is more than the body needs, it will be converted into fat.
