Which of these is NOT true of facilitated diffusion? A)
Facilitated diffusion is a form of passive transport.
B)
Facilitated diffusion does not require an energy expenditure.
Membrane proteins are not specific and any available protein can be used
for transport.
D)
Facilitated diffusion moves large or charged molecules with the gradient
through a membrane protein.

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