Answer:
<em>Extracellular</em><em> </em><em>glucose</em><em> </em><em>affects</em><em> </em><em>the</em><em> </em><em>lactose</em><em> </em><em>operon</em><em> </em><em>activation</em><em> </em><em>by</em><em> </em><em>inhibiting</em><em> </em>
Answer:
Phobia is a result of associative learning that suggests human and other animals to learn fear in certain threatening objects or situations.
Explanation:
Phobia is a psychological condition that defines any kind of fear which will appear from certain type of objects and it scares intensely.
Several learning experiences creates fear when the particular person is expose to that condition.
These include some associative learning that is related with behavior.
This type of learning is usually based on stimuli which is generated through positive or negative consequences.
This type of learning which create phobia contain classical conditioning, Operant Conditioning, Cognitive social conditioning etc.
Answer:
A new mutation
Explanation:
A mutation refers to the random changes in the DNA of organisms. A mutation changes the allele and genotype frequencies by the introduction of a new allele in the gene pool.
However, mutations are not the major factor responsible for changes in the gene pool of a population as mutations are rare. The rate of mutations is very slow and does not allow it to serve as a major factor to change the allele and genotype frequencies.
