Which statement is incorrect for ion-channels?
They are proteins
Movement through them is simple diffusion
Movement through them is from high to low concentration
All ions pass through the same type of channel
D.
All ions pass through the same type of channel
Ion channels are protein channels. Substances can move by simple diffusion directly along these cannels from high concentration to low concentration. Many of the protein channels are highly selective for transport of one or more specific ion.
Broca's area of speech is present in
frontal lobe
parietal lobe and partially in temporal lobe
temporal lobe
temporal and occipital lobe
The friction between the eyelids and the cornea is avoided by the secretion of
lachrymal glands
conjunctiva and eyelids
hardarian glands
Meibomian glands
Part of the brain concerned with the muscular movement is
cerebellum
thalamus
Hippocampus
temporal lobe of cerebrum
In human, corpus callosum connects
the two optic lobes
bone and muscle
the two cerebral hemispheres
two lobes of pituitary gland
