Answer:
Astrocytes
Explanation:
Astrocytes are the most numerous cell type within the central nervous system (CNS) and they perform a myriad of tasks ranging from axon guidance and synaptic support, to the control of the blood brain barrier and blood flow.
Answer:
Option B , Binding Energy
Explanation:
The energy in combining two nucleus is lost in binding them. This binding energy is too large that it causes significant loss of mass and is calculated using the Einstein’s theory of relativity.
When two nucleons combine , mass defect is caused which leads to loss of mass associated with energy and therefore the mass of nucleus is less than the mass of nucleons.
Hence, Option B is correct.
Answer:
I determine if the object is a living thing by checking to see if it responds to the environment
Option A
This option represents only chloroplast which is a cell organelle.
Option B
This option only talk about cell division.
Option C
This option is related to cellular respiration which is carried out in mitochondria.
Option D
It tells us that different tissues are connected like bone connect with muscle cells.
Conclusion
The correct option is D which provide the best evidence for the idea that multi cellular organisms are composed of organized arrangements of differentiated cells.
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