Answer:
The action potential has three main stages: depolarization, repolarization, and hyperpolarization. Depolarization is caused when positively charged sodium ions rush into a neuron with the opening of voltage-gated sodium channels.
Explanation:
Answer:
- Parents are heterozygous for the trait, and this is how they got a child with no freckles.
- The probability that the two other children will have freckles is 9/16
Explanation:
Due to technical problems, you will find the complete explanation in the attached file.
In eurkaryotes, the wrapping of DNA around nucleosome introduces negative supercoiling because negative super coil knots have high twisting stress and are less tightly packed.The combine loop of protein [histone] and chromosome is called nucleosome.
The big dipper is in the north east. The famous star Mizar is located second to the end of the big dippers handle.