Answer: The principle of dominance states that some alleles are dominant and others are recessive. An organism with a dominant allele for a particular form of a trait will always exhibit that form of the trait. An organism with a recessive allele for a particular form of a trait will exhibit that form only when the dominant allele for the trait is not present.
Explanation:
Dominant T t
TT Tt Tt T TT Tt
Recessive= t Tt tt
tt
Answer:
I think (B) Molecule called pumps function to control active transport
Explanation:
the proteins involved are pumps that normally used chemical energy in the form of APT. These proteins have receptors that bind to specific molecules.eg:glucose. and transport across the cell membrane.these is known as active transport.