Which part of the neuron below is indicated by the arrow, and what is its function? The long section of a neuron that includes structures that wrap around the neuron are indicated by the arrow.

- The myelin sheath releases neurotransmitters so that electrical impulses can be transferred.
- The myelin sheath protects and transmits electrical impulses faster.
- The node of Ranvier transmits electrical impulses faster.
- The node of Ranvier transfers information across a gap.

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.