Edexcel B Control Systems

Welcome to your Edexcel B Control Systems

Which ions receive the action potential from the T-tubules?
Stimulation during negative feedback follows the path
The small, uncovered areas of an axon between Schwann cells.
Which of the following is responsible for saltatory conduction in myelinated neurons?
Uneven growth of different plant parts in response to light is due to
Which of the following is not a part of nervous system?
Myelin sheath acts as
Myelin sheath is produced
In myelinated neurons, impulses jump from one node to the next. This is called
Which statement is true for resting and threshold phases of generation of action potential?
Which of these contain synaptic vesicles filled with neurotransmitters?
The colour sensitivity of rod cells include
Retinal and opsin are parts of
In the dark, rod cells are not stimulated because
Cells that produce a response to a stimulus are called
Which of the following represent the two states of phytochromes
The response in plants controlled by phytochromes is
The cortex is the outer layer of
Which of the following is not a part of cerebrum?
Which part of the brain helps in controlling heart rate and blood pressure?
The scanners which can detect brain activity are
Flexion and extension are examples of