Answer:True
Explanation:
Nerve impulse must reach a certain threshold in a neuron before action potential can be generated to intiate conduction of action potential.
Therefore if mutiple impulses are generated and these are not upto thresholds , no matter how strong the stimulI are-NO ACTION POTENTIAL WILL BE GENERATED.
THIS IS ALL OR NONE PRINCIPLE
The all or none hypotheses can be best explain with flushing of the water closet after using it. If required volume of water is not pumped into the water closet storage above, no matter how long the handle is push, FLUSHING WILL NOT TAKE PLACE.Thus the threshold volume of water must be met.
Answer:
D.-
Explanation:
A control group is needed to carry out the experiment, that control group is the one that is not injected with anything. Ethanol and pesticide need to be injected into separated groups to document whether it is one or the other that is harmful
A few enzymes<span> exhibit absolute </span>specificity<span>; that is, they will catalyze only one particular reaction. Other </span>enzymes<span> will be specific for a particular type of chemical bond or functional group. In general, there are four distinct types of </span>specificity<span>: Absolute </span>specificity<span> - the </span>enzyme<span> will catalyze only one reaction.</span>
I'd say the answer is suffer from emotional abuse or be an overachiever