Answer:
a voltage or electrical charge across the plasma membrane
Explanation:
The membrane potential is the difference in electric potential (–40 mV to –80 mV) between the interior and exterior of a cell created by the unequal distribution of ions.
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Answer:
Biological predisposition
Explanation:
Some pigs learned to pick up and deposit wooden coins in a piggy bank, but soon the pigs were more often dropping the coins and pushing them with their snouts. This best illustrates the concept of " biological predisposition " in operant conditioning. This is due to the nurture and upbringing of the pigs by learning how to pick up and deposit wooden coins in the piggy bank but soon, the pigs were often dropping the coins and pushing them with their mouth or nose. This also shows the pattern of behaviour based on the genes they inherited from their parents. Biological predisposition is when a plant, human or animal possess some internal quality that gives them an increased likelihood of having an instrumental condition.
To test her new baby's Babinski reflex, Alexandra will have to stroke the sole of her baby's foot, as the presence of the reflex is a normal reaction in babies up to 1 year old.
<h3>The Babinski reflex</h3>
It is a method of neurology that characterizes a primitive reflex in babies, which can help to identify brain and spinal cord diseases.
The methods used to check the reflex are through tactile stimulation on the soles of the feet, which can generate three different responses.
- In healthy adults, the toes curl downwards.
- Indifferent response, when it is difficult to perform the classification.
- Babinski's sign, characterized by an upward extension of the big toe.
Therefore, when Babinski's sign occurs through stimulation, it may indicate brain disease and spinal cord injury, but in infants this reaction is normal due to non-full myelination at age.
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<span>This happens by age three to four. Children develop sexual behavior often much earlier that conventional thinking indicates. It is up to the parents to teach Suzie when it is appropriate to engage in such behavior. In the past, children were taught that masturbation was wrong, but this may vary today.</span>