Answer:
motor neurons
Explanation:
muscles contraction begins when the nervous system generates a signal.The signal, an impulse called action potential, travels through a type of nerve cell called motor neuron. The neuromuscular junction is the place where the motor neuron reaches a muscle cell.
I believe the answer is “false”. While it’s true that many sea anemone will stay in one spot that they are happy with, it’s not true for all. Many sea anemone move around, especially when they are younger. It’s when they’re older they are more sessile.
Answer: The correct answer is b. Syphilis.
Syphilis is a type of sexually transmitted disease and the causative agent is bacteria called Treponema pallidum. There are four stages of syphilis: primary, secondary, latent and tertiary. It is a highly contagious disease.
The disease starts to get spread from sores and the pregnant women can pass the disease to the child and can cause abnormalities or even death of the child. If syphilis is untreated till the tertiary phase, it can lead to problems in heart, blindness, deafness, brain, nerves leading to paralysis and even death.
The substrate and the active site both need to fit together perfectly in order for the enzyme to work properly. If their shape is changed, typically through heat or a change in pH, the enzyme will not work.