Emperor penguins need lungs to breathe. In penguin lungs, air never stops. ... Once the air goes farther into the trachea it splits into two different directions into both lungs. To get the oxygen into the blood cells, it must come "within small distance of the penguin blood cells".
Answer:
The formation of new species would be the correct answer
Explanation:
As the meaning of speciation, speciation is the word that is used to decribe a new, distinct species that have never appeared before.
Hope this help you :3
Answer:
MHC molecules are used for antigen, which are basically derived from the pathogens to displayed them on surface of the cells to T-cell for the recognition. The major function of the MHC molecules are bind the antigens and MHC stands for major histocompatibility complex. The main role is that to displayed the peptide fragments into the T-cells.
The correct answer is this one: "<span>D) These fish could have been produced by introducing the DNA of a coral or jellyfish into an empty fish egg. "</span>
Here are the choices.
<span>A)
These fish have recombinant DNA.
B)
These fish are transgenic animals.
C)
A vector, such as a plasmid or virus, may have been needed to get the foreign genes into fish cells.
D)
These fish could have been produced by introducing the DNA of a coral or jellyfish into an empty fish egg. </span>
