Q: Like simple hormone pathways, hormone cascade pathways typically involve what kind of feedback? Choices: - effective - positive - neutral - negative A:
negative

Q: What is a molecule with two fatty acids and a modified phosphate group attached to a glycerol backbone? Choices: - carbohydrate - polymer - amino acid - phospholipid A:
phospholipid

Q: Q: What are the structural and functional units of the kidney called? Choices: - Ions - caldrons - aeons - nephrons A:
A: nephrons

Question: Q: What are the chemical messengers used to communicate between cells? Choices: - membranes - peptides - neurons - hormones A:
Answer: hormones

*Question*
Q: The cells of all eukarya have a what? Choices: - chloroplast - epidermis - necrosis - nucleus A:
**Answer**
nucleus

(Question)
Q: What is the term for when organisms need other organisms to survive? Choices: - intradependence - realization - coexistence - interdependence A:
(Answer)
interdependence