<span>The hormone INSULIN is released from the pancreas when blood glucose is elevated above a normal range.
This hormone regulates your blood sugar level. When your blood glucose is elevated above a normal range, the insulin is released from the pancreas. It then attaches itself to the cells and signals them to absorb the excess sugar from the blood stream.
If your blood sugar level is low, insulin signals the release of stored sugar to the blood stream to maintain the normal level of your blood glucose.</span>
Only animals in the same <u>species</u> can always breed and have fertile offspring.
Although animals in the same genus<em> can </em>breed, their offspring are usually infertile.
Answer:
The acronym mRNA means messenger ribonucleic acid, the nucleic acid responsible for transporting genetic information to the ribosome so that protein synthesis can occur.
Explanation:
Messenger ribonucleic acid or mRNA, is a nucleic acid responsible for containing the genetic code, organizing it into codons —depending on the specific sequence of nitrogenous bases— and taking it to the ribosome for translation and initiation of protein synthesis.
A codon is a sequence of three mRNA nucleotides, each of which encodes a specific amino acid, in addition to:
- <em>Marking the start of protein synthesis, by means of the UAC start codon, which also encodes for amino acid methionine (MET).
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- <em>Indicate the stop of protein synthesis, by means of the STOP codons </em>—<em>UAA, UAG and UGA</em>— <em>which do not code for amino acids.
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This can be seen in the table:
- The first line is the sequence of nitrogenous bases of one of the DNA strands.
- The second line should indicate the sequence of complementary bases of the other DNA strand, which will be transcribed. However, the presence of uracil indicates that it is the mRNA transcribed
- The third line is the sequence of nitrogenous bases in the mRNA strand, organized in triplets or codons.
- The fourth line expresses each of the amino acids and instructions found in the mRNA fragment that was transcribed methionine (start), lysine, tryptophan, proline and STOP (although GUU encodes the amino acid valine and is not a STOP codon).
