Answer:
One fertilizes the egg, and the other combines with the two polar nuclei.
Explanation:
Answer:
Amino acid substitutions at the interaction interface may result in binding affinity changes, and thus affect the structure of the protein complex. ... This structural change may significantly affect the binding energy, and make the protein complex unstable
Explanation:
I hope it helped
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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.
<span>Since you left off the choices, I have to just present the facts of what occurs first in the nerve impusle. The first thing that will is happen is the sodium ios will move to the inside of the nueron. The second step is the potassium ions will move to the inside of the neuron. After those move into the nueron, calcium will then move into the nueron. Both the sodium and potassium have 1 postive charge. While the calcium ion has 2 positive charges. </span>
