From this observation, it is possible to conclude that there are more repetitive sequences in the eukaryotic DNA than in the bacterial DNA. Prokaryotic genes do not contain introns.
Introns are internal non-coding segments of eukaryotic genes that must be removed to produce the final mature mRNA.
In prokaryotic genomes, there are no introns, and genes are expressed in groups known as operons.
Eukaryotic genomes contain highly repetitive intergenic (regulatory) and intragenic (introns) non-coding regions.
Learn more about eukaryotic DNA here:
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Semi permeable go water maybe
Answer: Option D) Norepinephrine
Explanation:
Norepinephrine, also known as noradrenaline acts as both a hormone and neurotransmitter.
Its effects is similar to epinephrine, in that during stress conditions epinephrine stimulates the heart to beat and pump blood faster, while norepinephrine helps to maintain blood pressure, causing the narrowing of the blood vessels, known as vasoconstriction.
This is your answer I hope this answers your question and that you have amice rest of your Sunday: Cardiac muscle is an exception among involuntary muscles, which are characteristically smooth. Its contractile fibers resemble those of skeletal muscle but are only one third as large in diameter, are richer in sarcoplasm, and contain centrally located instead of peripheral nuclei.
