The dark brown pigment in the skin is called a. carotenoids c. chlorophyll b. melanin d. keratin

Suppose a scientist measures the amount of dna per cell of a particular diploid species at various stages of meiosis. she finds that the meiotic cells contain 3.7 pg , 7.3 pg , or 14.6 pg of dna. match each stage of the cell cycle to the corresponding amount of dna contained within a cell at that stage.

How many types of rock can form from the rock cycle

What part of the brain is highlighted in the diagram below?