Between which two atoms of water are hydrogen bonds are formed?

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

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

How do bacteria protect their genetic material and cytoplasm during harsh conditions