the primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain which oft he following common items would best represent the primary structure of a protein?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

What part of the body contains bile, an enzyme that break down lipids?