Question: Q: What term is used to describe major changes in the genetic material? Choices: - generational alterations - eukaryotic alterations - mutational alterations - chromosomal alterations A:
Answer: chromosomal alterations

Question: Q: Some leaves are attached to the plant stem by a petiole. leaves that do not have a petiole and are directly attached to the plant stem are called this? Choices: - sheath leaves - globular leaves - transverse leaves - sessile leaves A:
Answer: sessile leaves

Question: Q: An electrical signal along a nerve cell triggers the secretion of what? Choices: - conduction molecules - axons - attenuation molecules - neurotransmitter molecules A:
Answer:
neurotransmitter molecules