Why do sperm cells contain so many mitochondria?
a. each mitochondria is needed to store a full copy of the male’s chromosomes
b. the mitochondria is needed to convert sunlight into chemical energy
c. the mitochondria are required to power a sperm cell’s trip through the female reproductive
system
d. the mitochondria are required to make proteins for the cell

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

Who discovered tuberculosis bacteria?

Drag the tiles to the boxes to form correct pairs. match the causes with their effects cause: tectonic plates at transform boundaries experience friction. cause: tectonic plates at transform boundaries experience friction. cause: earth is covered by a crust that runs miles deep.