Subduction occurs when one plate moves under another. As one plate slides under the other, what
will eventually happen to the lower plate
as it moves further down?
A cool, solidify, and
eventually stop moving
B get hotter as it gets deeper
and will eventually melt
C start to move up again pushing
the other plate higher
D break up into millions of small pieces

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?