Every cell in an organism has the same number of chromosomes except a) skin cells
b) neurons
c) white blood cells
d) reproductive cells

What is the function of nucleic acids

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.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?