I believe the correct answer is the fourth option. Plant cell walls consist mainly of cellulose. The cell wall of the plants provides support and other important functions. It is composed of cellulose which is classified as a carbohydrate. The plant cell wall has three layers and each layer has its own unique function.
Answer:
Neurotransmitters
Explanation:
Examples of neurotransmitter are acetylcholine, epinephrine, dopamine, GABA, serotonin, and etcetera. They are released from synaptic vesicles in the presynaptic membrane. They then diffuse through the synaptic cleft or neuromuscular junctions and bind to their receptors on the postsynaptic membrane and invoke an impulse.
Answer:
c) Vascular system
Explanation:
The vascular system of a plant are the phloem and xylem.
The xylem is responsible for movement of water from the roots to the leaves while the phloem us responsible for translocating nutrient and sugars ( carbohydrate) produced by the leaves to other areas of the plants that need them for growth.