Ccr5 is a cell surface receptor protein of white blood cells that attracts them to specific tissue and organs to elicit an immune response. it is also the receptor to which r5 strains of hiv bind to and enter t cells. between 5-14% of people from northern european descent possess an allele known as ccr5-δ32. in this allele, a 32 base pair section of the gene has been deleted. what phenotype would you predict for people carrying the ccr5-δ32 allele?

How does using straws hurt the sea turtles?

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Did you know that a blue wales tongue weighs more than an elephant?