What is
for every one bond formed molecule of water is created

Which flexible structure that supports the nerve cord and led to the backbone

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

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