If all your cells come from the original zygote that formed you, why aren’t all of them identical to each other?

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.