AP BIOLOGY QUESTION Elements bond together to make molecules essential for living things. Which of the following is used to build nucleic acids and some lipids?

Nitrogen
Phosphorus
Potassium
Calcium

Why were the results whit just water so much different than the trials with the detergent ?

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases

Ihave a question. diplontic animals usually produce both eggs or sperm which are :