Most of the atmospheric oxygen occurs as a result of photosynthesis. from which of the following molecules is the oxygen derived? a. chlorophyllb. waterc. carbon dioxided. glucose

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

Which atmospheric later is where earths northern and southern lights occur

The effect of a hormone on a target cell may be decreased by the presence of