Answer:
Nucleic Acids Proteins Carbohydrates
Lipids
Explanation:
All organisms need four types of organic molecules: nucleic acids, proteins, carbohydrates and lipids; life cannot exist if any of these molecules are missing.
Answer:
Explanation:
The scientific method
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Iterate: use the results to make new hypotheses or predictions.
hope this helps
It is caused by mutations in the gene that helps an enzyme called phenylalanine hydroxylase, or PAH. <span />
