The nucleus, it is present in eukaryotes but not prokaryotes. Eukaryotes="true" nucleus. Prokaryotes="no" nucleus
Answer: UAC
Explanation: transfer RNA(tRNA) is the type of RNA that interprets the messenger RNA(mRNA) code during translation. The job of tRNA is to match up the amino acids with the correct codons in the mRNA strand. According to the base pair rule for RNA, Adenine and Uracil (A - U) are base complements while Guanine and Cytosine (G - C) are base complements. So if;
mRNA: AUG
then,
tRNA: UAC.
Answer:
The influx of calcium ions.
Explanation:
The influx of calcium ions at a certain point produces phase of the action potential also called depolarization which results in the ion movement changes the membrane potential from negative to positive inside the cell.
In action potential, calcium ions may control gene transcription, cell excitability, and neurotransmitter release. In chemical synapses, the influx of calcium ions leads to vesicles filled with neurotransmitters move to the surface of the cell, and into the synaptic cleft release their contents.
