Q: The axon terminates on muscle fibers at the neuromuscular junction. acetylcholine is released at this specialized synapse, which causes the muscle action potential to begin, following a large potential known as an end plate potential. when the lower motor neuron excites the muscle fiber, it contracts. all of this occurs in a fraction of a second, but this story is the basis of how this functions? Choices: - cardiovascular system - respiratory system - muscular system - nervous system A:
nervous system

(Question)
Q: Which type of double bond has a sigma bond and a pi bond? Choices: - dioxide - oxygen bond - Covalent Bonds - sodium - oxygen bond - carbon-oxygen bond A:
(Answer)
carbon-oxygen bond

Ques: Q: By impacting plant species and the animals they support, destruction of habitat threatens what event? Choices: - overpopulation - depletion - mutation - extinction A:
Ans: extinction

(Q).
Q: Corals build hard exoskeletons that grow to become coral what? Choices: - beds - layers - crystals - reefs A:
(A).
reefs

Ques:Q: Amino acids are joined together to form a chain at what molecular structure? Choices: - chloroplasts - chromosomes - DNA - ribosomes A:

Ans:ribosomes

Q: Each type of electromagnetic radiation has a characteristic range of wavelengths. the longer the wavelength (or the more stretched out it appears), the less energy is carried. short, tight waves carry what? Choices: - kinetic energy - heat - sound - most energy A:
most energy