What does this symbol indicate on a weather map? L
A. An area with low air pressure
B. The point where a typhoon is likely to occur
C. An area in which conditions are right for tornadoes to form
O D. An area with high humidity

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.

What happens when the cell copies its chromosomes

How does the study of genetic disorders such as pku biologists understand normal alleles?